381551098672 has 30 divisors (see below), whose sum is σ = 759775165548. Its totient is φ = 185619442752.

The previous prime is 381551098631. The next prime is 381551098679. The reversal of 381551098672 is 276890155183.

It is not an unprimeable number, because it can be changed into a prime (381551098679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8687718 + ... + 8731525.

Almost surely, 2^381551098672 is an apocalyptic number.

It is an amenable number.

381551098672 is a deficient number, since it is larger than the sum of its proper divisors (378224066876).

381551098672 is a wasteful number, since it uses less digits than its factorization.

381551098672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419325 (or 17419282 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 381551098672 in words is "three hundred eighty-one billion, five hundred fifty-one million, ninety-eight thousand, six hundred seventy-two".