651267074752 has 28 divisors (see below), whose sum is σ = 1476980688400. Its totient is φ = 279114460416.

The previous prime is 651267074749. The next prime is 651267074789. The reversal of 651267074752 is 257470762156.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 651267074752.

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, 726860127 + ... + 726861022.

It is an arithmetic number, because the mean of its divisors is an integer number (52749310300).

Almost surely, 2^651267074752 is an apocalyptic number.

It is an amenable number.

651267074752 is an abundant number, since it is smaller than the sum of its proper divisors (825713613648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651267074752 is a wasteful number, since it uses less digits than its factorization.

651267074752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453721168 (or 1453721158 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 651267074752 in words is "six hundred fifty-one billion, two hundred sixty-seven million, seventy-four thousand, seven hundred fifty-two".