64942560428 has 6 divisors (see below), whose sum is σ = 113649480756. Its totient is φ = 32471280212.

The previous prime is 64942560407. The next prime is 64942560451. The reversal of 64942560428 is 82406524946.

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 as a sum of consecutive naturals, namely, 8117820050 + ... + 8117820057.

It is an arithmetic number, because the mean of its divisors is an integer number (18941580126).

Almost surely, 2^64942560428 is an apocalyptic number.

It is an amenable number.

64942560428 is a deficient number, since it is larger than the sum of its proper divisors (48706920328).

64942560428 is a wasteful number, since it uses less digits than its factorization.

64942560428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235640111 (or 16235640109 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 64942560428 in words is "sixty-four billion, nine hundred forty-two million, five hundred sixty thousand, four hundred twenty-eight".