34120521563 has 16 divisors (see below), whose sum is σ = 35233377312. Its totient is φ = 33022080000.

The previous prime is 34120521559. The next prime is 34120521577. The reversal of 34120521563 is 36512502143.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34120521563 - 2² = 34120521559 is a prime.

It is a super-2 number, since 2×34120521563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34120521763) 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, 2701463 + ... + 2714063.

It is an arithmetic number, because the mean of its divisors is an integer number (2202086082).

Almost surely, 2^34120521563 is an apocalyptic number.

34120521563 is a deficient number, since it is larger than the sum of its proper divisors (1112855749).

34120521563 is a wasteful number, since it uses less digits than its factorization.

34120521563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 34120521563 in words is "thirty-four billion, one hundred twenty million, five hundred twenty-one thousand, five hundred sixty-three".