34644161257 has 2 divisors, whose sum is σ = 34644161258. Its totient is φ = 34644161256.

The previous prime is 34644161203. The next prime is 34644161269. The reversal of 34644161257 is 75216144643.

34644161257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19439051776 + 15205109481 = 139424^2 + 123309^2 .

It is an emirp because it is prime and its reverse (75216144643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34644161257 - 2⁷ = 34644161129 is a prime.

It is not a weakly prime, because it can be changed into another prime (34644161557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322080628 + 17322080629.

It is an arithmetic number, because the mean of its divisors is an integer number (17322080629).

Almost surely, 2^34644161257 is an apocalyptic number.

It is an amenable number.

34644161257 is a deficient number, since it is larger than the sum of its proper divisors (1).

34644161257 is an equidigital number, since it uses as much as digits as its factorization.

34644161257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The spelling of 34644161257 in words is "thirty-four billion, six hundred forty-four million, one hundred sixty-one thousand, two hundred fifty-seven".