249367478012 has 6 divisors (see below), whose sum is σ = 436393086528. Its totient is φ = 124683739004.

The previous prime is 249367477981. The next prime is 249367478021. The reversal of 249367478012 is 210874763942.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31170934748 + ... + 31170934755.

It is an arithmetic number, because the mean of its divisors is an integer number (72732181088).

Almost surely, 2^249367478012 is an apocalyptic number.

It is an amenable number.

249367478012 is a deficient number, since it is larger than the sum of its proper divisors (187025608516).

249367478012 is a wasteful number, since it uses less digits than its factorization.

249367478012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62341869507 (or 62341869505 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 249367478012 in words is "two hundred forty-nine billion, three hundred sixty-seven million, four hundred seventy-eight thousand, twelve".