64309730364 has 72 divisors (see below), whose sum is σ = 177438223872. Its totient is φ = 19476888480.

The previous prime is 64309730351. The next prime is 64309730383. The reversal of 64309730364 is 46303790346.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 677367 + ... + 766449.

It is an arithmetic number, because the mean of its divisors is an integer number (2464419776).

Almost surely, 2^64309730364 is an apocalyptic number.

It is an amenable number.

64309730364 is an abundant number, since it is smaller than the sum of its proper divisors (113128493508).

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

64309730364 is a wasteful number, since it uses less digits than its factorization.

64309730364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90927 (or 90922 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 64309730364 in words is "sixty-four billion, three hundred nine million, seven hundred thirty thousand, three hundred sixty-four".