381728632708 has 12 divisors (see below), whose sum is σ = 669419735040. Its totient is φ = 190465851272.

The previous prime is 381728632601. The next prime is 381728632721. The reversal of 381728632708 is 807236827183.

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, 99614116 + ... + 99617947.

It is an arithmetic number, because the mean of its divisors is an integer number (55784977920).

Almost surely, 2^381728632708 is an apocalyptic number.

It is an amenable number.

381728632708 is a deficient number, since it is larger than the sum of its proper divisors (287691102332).

381728632708 is a wasteful number, since it uses less digits than its factorization.

381728632708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199232546 (or 199232544 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 381728632708 in words is "three hundred eighty-one billion, seven hundred twenty-eight million, six hundred thirty-two thousand, seven hundred eight".