64192432794 has 32 divisors (see below), whose sum is σ = 147046667136. Its totient is φ = 18300556800.

The previous prime is 64192432763. The next prime is 64192432807. The reversal of 64192432794 is 49723429146.

It is a happy number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1653007 + ... + 1691394.

It is an arithmetic number, because the mean of its divisors is an integer number (4595208348).

Almost surely, 2^64192432794 is an apocalyptic number.

64192432794 is an abundant number, since it is smaller than the sum of its proper divisors (82854234342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64192432794 is a wasteful number, since it uses less digits than its factorization.

64192432794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344870.

The product of its digits is 2612736, while the sum is 51.

The spelling of 64192432794 in words is "sixty-four billion, one hundred ninety-two million, four hundred thirty-two thousand, seven hundred ninety-four".