34320897081 has 27 divisors (see below), whose sum is σ = 50981242221. Its totient is φ = 22248864864.

The previous prime is 34320897047. The next prime is 34320897109. The reversal of 34320897081 is 18079802343.

The square root of 34320897081 is 185259.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7561172025 + 26759725056 = 86955^2 + 163584^2 .

It is not a de Polignac number, because 34320897081 - 2²⁷ = 34186679353 is a prime.

It is a super-2 number, since 2×34320897081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34320897011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20562915 + ... + 20564583.

Almost surely, 2^34320897081 is an apocalyptic number.

34320897081 is the 185259-th square number.

34320897081 is the 92630-th centered octagonal number.

It is an amenable number.

34320897081 is a deficient number, since it is larger than the sum of its proper divisors (16660345140).

34320897081 is an frugal number, since it uses more digits than its factorization.

34320897081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 34320897081 in words is "thirty-four billion, three hundred twenty million, eight hundred ninety-seven thousand, eighty-one".