64488401792 has 16 divisors (see below), whose sum is σ = 128472988200. Its totient is φ = 32244200832.

The previous prime is 64488401777. The next prime is 64488401807. The reversal of 64488401792 is 29710488446.

64488401792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64488401777) and next prime (64488401807).

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×64488401792² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251907692 + ... + 251907947.

Almost surely, 2^64488401792 is an apocalyptic number.

It is an amenable number.

64488401792 is a deficient number, since it is larger than the sum of its proper divisors (63984586408).

64488401792 is an equidigital number, since it uses as much as digits as its factorization.

64488401792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503815653 (or 503815641 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 64488401792 in words is "sixty-four billion, four hundred eighty-eight million, four hundred one thousand, seven hundred ninety-two".