251468631196 has 12 divisors (see below), whose sum is σ = 440600954920. Its totient is φ = 125582644080.

The previous prime is 251468631179. The next prime is 251468631287. The reversal of 251468631196 is 691136864152.

It is a happy number.

251468631196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 37914150 + ... + 37920781.

Almost surely, 2^251468631196 is an apocalyptic number.

It is an amenable number.

251468631196 is a deficient number, since it is larger than the sum of its proper divisors (189132323724).

251468631196 is a wasteful number, since it uses less digits than its factorization.

251468631196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75835764 (or 75835762 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The spelling of 251468631196 in words is "two hundred fifty-one billion, four hundred sixty-eight million, six hundred thirty-one thousand, one hundred ninety-six".