64506036392 has 16 divisors (see below), whose sum is σ = 138227220960. Its totient is φ = 27645444144.

The previous prime is 64506036341. The next prime is 64506036403. The reversal of 64506036392 is 29363060546.

It is a super-2 number, since 2×64506036392² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575946698 + ... + 575946809.

It is an arithmetic number, because the mean of its divisors is an integer number (8639201310).

Almost surely, 2^64506036392 is an apocalyptic number.

It is an amenable number.

64506036392 is an abundant number, since it is smaller than the sum of its proper divisors (73721184568).

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

64506036392 is a wasteful number, since it uses less digits than its factorization.

64506036392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151893520 (or 1151893516 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 64506036392 in words is "sixty-four billion, five hundred six million, thirty-six thousand, three hundred ninety-two".