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6874163903381 is a prime number
BaseRepresentation
bin110010000001000010000…
…0110001111101110010101
3220100011102022010221101012
41210002010012033232111
51400111241424402011
622341540341142005
71306433122043645
oct144020406175625
926304368127335
106874163903381
112210353350485
129303136ba905
133ab300301868
1419a9d5b88525
15bdc2d1d9a8b
hex6408418fb95

6874163903381 has 2 divisors, whose sum is σ = 6874163903382. Its totient is φ = 6874163903380.

The previous prime is 6874163903221. The next prime is 6874163903393. The reversal of 6874163903381 is 1833093614786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6866711034481 + 7452868900 = 2620441^2 + 86330^2 .

It is a cyclic number.

It is not a de Polignac number, because 6874163903381 - 218 = 6874163641237 is a prime.

It is a super-2 number, since 2×68741639033812 (a number of 26 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 6874163903381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6874163909381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437081951690 + 3437081951691.

It is an arithmetic number, because the mean of its divisors is an integer number (3437081951691).

Almost surely, 26874163903381 is an apocalyptic number.

It is an amenable number.

6874163903381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6874163903381 is an equidigital number, since it uses as much as digits as its factorization.

6874163903381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 6874163903381 in words is "six trillion, eight hundred seventy-four billion, one hundred sixty-three million, nine hundred three thousand, three hundred eighty-one".