34564136646 has 32 divisors (see below), whose sum is σ = 75494377728. Its totient is φ = 10485326880.

The previous prime is 34564136549. The next prime is 34564136647. The reversal of 34564136646 is 64663146543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34564136595 and 34564136604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34564136647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3115096 + ... + 3126171.

It is an arithmetic number, because the mean of its divisors is an integer number (2359199304).

Almost surely, 2^34564136646 is an apocalyptic number.

34564136646 is an abundant number, since it is smaller than the sum of its proper divisors (40930241082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34564136646 is a wasteful number, since it uses less digits than its factorization.

34564136646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241356.

The product of its digits is 3732480, while the sum is 48.

The spelling of 34564136646 in words is "thirty-four billion, five hundred sixty-four million, one hundred thirty-six thousand, six hundred forty-six".