3807631973632 has 18 divisors (see below), whose sum is σ = 7600390385378. Its totient is φ = 1903815986688.

The previous prime is 3807631973573. The next prime is 3807631973641. The reversal of 3807631973632 is 2363791367083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2287402157056 + 1520229816576 = 1512416^2 + 1232976^2 .

It is a super-2 number, since 2×3807631973632² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7436780943 + ... + 7436781454.

Almost surely, 2^{3807631973632} is an apocalyptic number.

3807631973632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3807631973632 is a deficient number, since it is larger than the sum of its proper divisors (3792758411746).

3807631973632 is an equidigital number, since it uses as much as digits as its factorization.

3807631973632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873562413 (or 14873562399 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 58.

The spelling of 3807631973632 in words is "three trillion, eight hundred seven billion, six hundred thirty-one million, nine hundred seventy-three thousand, six hundred thirty-two".