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60642444997837 is a prime number
BaseRepresentation
bin11011100100111011010110…
…11001000111010011001101
321221201100202020222212110101
431302131223121013103031
530422031211404412322
6332550431000211101
715526162214343013
oct1562355331072315
9257640666885411
1060642444997837
111836035328a80a
126974ab4169a91
1327ab733ca0521
1410d9177b9c8b3
157026b0dbb327
hex37276b6474cd

60642444997837 has 2 divisors, whose sum is σ = 60642444997838. Its totient is φ = 60642444997836.

The previous prime is 60642444997753. The next prime is 60642444997907. The reversal of 60642444997837 is 73879944424606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38038068585001 + 22604376412836 = 6167501^2 + 4754406^2 .

It is a cyclic number.

It is not a de Polignac number, because 60642444997837 - 227 = 60642310780109 is a prime.

It is a super-2 number, since 2×606424449978372 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60642444997837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60642444994837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30321222498918 + 30321222498919.

It is an arithmetic number, because the mean of its divisors is an integer number (30321222498919).

Almost surely, 260642444997837 is an apocalyptic number.

It is an amenable number.

60642444997837 is a deficient number, since it is larger than the sum of its proper divisors (1).

60642444997837 is an equidigital number, since it uses as much as digits as its factorization.

60642444997837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1755758592, while the sum is 73.

The spelling of 60642444997837 in words is "sixty trillion, six hundred forty-two billion, four hundred forty-four million, nine hundred ninety-seven thousand, eight hundred thirty-seven".