64113706426 has 64 divisors (see below), whose sum is σ = 121548211200. Its totient is φ = 24638232960.

The previous prime is 64113706421. The next prime is 64113706441. The reversal of 64113706426 is 62460731146.

It is a super-2 number, since 2×64113706426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64113706421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3831025 + ... + 3847723.

It is an arithmetic number, because the mean of its divisors is an integer number (1899190800).

Almost surely, 2^64113706426 is an apocalyptic number.

64113706426 is a deficient number, since it is larger than the sum of its proper divisors (57434504774).

64113706426 is a wasteful number, since it uses less digits than its factorization.

64113706426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17059.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 64113706426 in words is "sixty-four billion, one hundred thirteen million, seven hundred six thousand, four hundred twenty-six".