64454233174 has 32 divisors (see below), whose sum is σ = 99803140416. Its totient is φ = 31195831680.

The previous prime is 64454233139. The next prime is 64454233183. The reversal of 64454233174 is 47133245446.

It is a super-2 number, since 2×64454233174² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64454233174.

It is a congruent number.

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, 14676519 + ... + 14680909.

It is an arithmetic number, because the mean of its divisors is an integer number (3118848138).

Almost surely, 2^64454233174 is an apocalyptic number.

64454233174 is a deficient number, since it is larger than the sum of its proper divisors (35348907242).

64454233174 is a wasteful number, since it uses less digits than its factorization.

64454233174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400.

The product of its digits is 967680, while the sum is 43.

The spelling of 64454233174 in words is "sixty-four billion, four hundred fifty-four million, two hundred thirty-three thousand, one hundred seventy-four".