64548831564332 has 12 divisors (see below), whose sum is σ = 112985429944296. Its totient is φ = 32267280151680.

The previous prime is 64548831564299. The next prime is 64548831564353. The reversal of 64548831564332 is 23346513884546.

It is a super-2 number, since 2×64548831564332² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783887269 + ... + 1783923452.

It is an arithmetic number, because the mean of its divisors is an integer number (9415452495358).

Almost surely, 2^{64548831564332} is an apocalyptic number.

It is an amenable number.

64548831564332 is a deficient number, since it is larger than the sum of its proper divisors (48436598379964).

64548831564332 is a wasteful number, since it uses less digits than its factorization.

64548831564332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567815248 (or 3567815246 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 62.

The spelling of 64548831564332 in words is "sixty-four trillion, five hundred forty-eight billion, eight hundred thirty-one million, five hundred sixty-four thousand, three hundred thirty-two".