64507735744 has 14 divisors (see below), whose sum is σ = 128007538244. Its totient is φ = 32253867840.

The previous prime is 64507735741. The next prime is 64507735751. The reversal of 64507735744 is 44753770546.

It is a super-2 number, since 2×64507735744² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64507735691 and 64507735700.

It is not an unprimeable number, because it can be changed into a prime (64507735741) 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, 503966622 + ... + 503966749.

Almost surely, 2^64507735744 is an apocalyptic number.

64507735744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64507735744 is a deficient number, since it is larger than the sum of its proper divisors (63499802500).

64507735744 is a wasteful number, since it uses less digits than its factorization.

64507735744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007933383 (or 1007933373 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 64507735744 in words is "sixty-four billion, five hundred seven million, seven hundred thirty-five thousand, seven hundred forty-four".