34520689599 has 16 divisors (see below), whose sum is σ = 51436594944. Its totient is φ = 20411345600.

The previous prime is 34520689597. The next prime is 34520689631. The reversal of 34520689599 is 99598602543.

It is a cyclic number.

It is not a de Polignac number, because 34520689599 - 2¹ = 34520689597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520689597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12755739 + ... + 12758444.

It is an arithmetic number, because the mean of its divisors is an integer number (3214787184).

Almost surely, 2^34520689599 is an apocalyptic number.

34520689599 is a deficient number, since it is larger than the sum of its proper divisors (16915905345).

34520689599 is a wasteful number, since it uses less digits than its factorization.

34520689599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25514238.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 34520689599 in words is "thirty-four billion, five hundred twenty million, six hundred eighty-nine thousand, five hundred ninety-nine".