64011945392 has 10 divisors (see below), whose sum is σ = 124023144228. Its totient is φ = 32005972688.

The previous prime is 64011945379. The next prime is 64011945397. The reversal of 64011945392 is 29354911046.

It is not an unprimeable number, because it can be changed into a prime (64011945397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000373278 + ... + 2000373309.

Almost surely, 2^64011945392 is an apocalyptic number.

It is an amenable number.

64011945392 is a deficient number, since it is larger than the sum of its proper divisors (60011198836).

64011945392 is a wasteful number, since it uses less digits than its factorization.

64011945392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000746595 (or 4000746589 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 64011945392 in words is "sixty-four billion, eleven million, nine hundred forty-five thousand, three hundred ninety-two".