34897314521 has 2 divisors, whose sum is σ = 34897314522. Its totient is φ = 34897314520.

The previous prime is 34897314511. The next prime is 34897314619. The reversal of 34897314521 is 12541379843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19331009296 + 15566305225 = 139036^2 + 124765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34897314521 is a prime.

It is not a weakly prime, because it can be changed into another prime (34897314511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17448657260 + 17448657261.

It is an arithmetic number, because the mean of its divisors is an integer number (17448657261).

Almost surely, 2^34897314521 is an apocalyptic number.

It is an amenable number.

34897314521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34897314521 is an equidigital number, since it uses as much as digits as its factorization.

34897314521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The spelling of 34897314521 in words is "thirty-four billion, eight hundred ninety-seven million, three hundred fourteen thousand, five hundred twenty-one".