308361138892 has 6 divisors (see below), whose sum is σ = 539631993068. Its totient is φ = 154180569444.

The previous prime is 308361138889. The next prime is 308361138901. The reversal of 308361138892 is 298831163803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38545142358 + ... + 38545142365.

Almost surely, 2^308361138892 is an apocalyptic number.

It is an amenable number.

308361138892 is a deficient number, since it is larger than the sum of its proper divisors (231270854176).

308361138892 is a wasteful number, since it uses less digits than its factorization.

308361138892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77090284727 (or 77090284725 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 308361138892 in words is "three hundred eight billion, three hundred sixty-one million, one hundred thirty-eight thousand, eight hundred ninety-two".