34531445521 has 2 divisors, whose sum is σ = 34531445522. Its totient is φ = 34531445520.

The previous prime is 34531445497. The next prime is 34531445537. The reversal of 34531445521 is 12554413543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24067178496 + 10464267025 = 155136^2 + 102295^2 .

It is a cyclic number.

It is not a de Polignac number, because 34531445521 - 2⁵ = 34531445489 is a prime.

It is a super-2 number, since 2×34531445521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34531445561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265722760 + 17265722761.

It is an arithmetic number, because the mean of its divisors is an integer number (17265722761).

Almost surely, 2^34531445521 is an apocalyptic number.

It is an amenable number.

34531445521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531445521 is an equidigital number, since it uses as much as digits as its factorization.

34531445521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 37.

The spelling of 34531445521 in words is "thirty-four billion, five hundred thirty-one million, four hundred forty-five thousand, five hundred twenty-one".