64765358830 has 16 divisors (see below), whose sum is σ = 123435154800. Its totient is φ = 24382252672.

The previous prime is 64765358821. The next prime is 64765358837. The reversal of 64765358830 is 3885356746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64765358837) 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 in 7 ways as a sum of consecutive naturals, for example, 190486180 + ... + 190486519.

It is an arithmetic number, because the mean of its divisors is an integer number (7714697175).

Almost surely, 2^64765358830 is an apocalyptic number.

64765358830 is a deficient number, since it is larger than the sum of its proper divisors (58669795970).

64765358830 is a wasteful number, since it uses less digits than its factorization.

64765358830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380972723.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 64765358830 in words is "sixty-four billion, seven hundred sixty-five million, three hundred fifty-eight thousand, eight hundred thirty".