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622614106649 is a prime number
BaseRepresentation
bin10010000111101101011…
…00010101001000011001
32012112002001021200220202
421003312230111020121
540200103202403044
61154005221031545
762660646405053
oct11036654251031
92175061250822
10622614106649
1122005a482637
12a08002555b5
1346934aa6bc2
14221c58008d3
15112e0353c4e
hex90f6b15219

622614106649 has 2 divisors, whose sum is σ = 622614106650. Its totient is φ = 622614106648.

The previous prime is 622614106571. The next prime is 622614106669. The reversal of 622614106649 is 946601416226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327004416649 + 295609690000 = 571843^2 + 543700^2 .

It is a cyclic number.

It is not a de Polignac number, because 622614106649 - 28 = 622614106393 is a prime.

It is not a weakly prime, because it can be changed into another prime (622614106669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311307053324 + 311307053325.

It is an arithmetic number, because the mean of its divisors is an integer number (311307053325).

Almost surely, 2622614106649 is an apocalyptic number.

It is an amenable number.

622614106649 is a deficient number, since it is larger than the sum of its proper divisors (1).

622614106649 is an equidigital number, since it uses as much as digits as its factorization.

622614106649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 622614106649 in words is "six hundred twenty-two billion, six hundred fourteen million, one hundred six thousand, six hundred forty-nine".