3646856009432 has 8 divisors (see below), whose sum is σ = 6837855017700. Its totient is φ = 1823428004712.

The previous prime is 3646856009417. The next prime is 3646856009479. The reversal of 3646856009432 is 2349006586463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227928500582 + ... + 227928500597.

Almost surely, 2^{3646856009432} is an apocalyptic number.

It is an amenable number.

3646856009432 is a deficient number, since it is larger than the sum of its proper divisors (3190999008268).

3646856009432 is a wasteful number, since it uses less digits than its factorization.

3646856009432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455857001185 (or 455857001181 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 3646856009432 in words is "three trillion, six hundred forty-six billion, eight hundred fifty-six million, nine thousand, four hundred thirty-two".