64455625045234 has 32 divisors (see below), whose sum is σ = 104602805001216. Its totient is φ = 29673992574720.

The previous prime is 64455625045219. The next prime is 64455625045241. The reversal of 64455625045234 is 43254052655446.

It is a super-2 number, since 2×64455625045234² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50914962 + ... + 52165549.

It is an arithmetic number, because the mean of its divisors is an integer number (3268837656288).

Almost surely, 2^{64455625045234} is an apocalyptic number.

64455625045234 is a deficient number, since it is larger than the sum of its proper divisors (40147179955982).

64455625045234 is a wasteful number, since it uses less digits than its factorization.

64455625045234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103080930.

The product of its (nonzero) digits is 69120000, while the sum is 55.

The spelling of 64455625045234 in words is "sixty-four trillion, four hundred fifty-five billion, six hundred twenty-five million, forty-five thousand, two hundred thirty-four".