64013931962 has 4 divisors (see below), whose sum is σ = 96020897946. Its totient is φ = 32006965980.

The previous prime is 64013931907. The next prime is 64013931979. The reversal of 64013931962 is 26913931046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26913931046 = 2 ⋅13456965523.

It can be written as a sum of positive squares in only one way, i.e., 61049020561 + 2964911401 = 247081^2 + 54451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003482989 + ... + 16003482992.

Almost surely, 2^64013931962 is an apocalyptic number.

64013931962 is a deficient number, since it is larger than the sum of its proper divisors (32006965984).

64013931962 is a wasteful number, since it uses less digits than its factorization.

64013931962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32006965983.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 64013931962 in words is "sixty-four billion, thirteen million, nine hundred thirty-one thousand, nine hundred sixty-two".