651094728700 has 72 divisors (see below), whose sum is σ = 1525392146432. Its totient is φ = 239798465280.

The previous prime is 651094728689. The next prime is 651094728709. The reversal of 651094728700 is 7827490156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651094728709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114684 + ... + 1146883.

Almost surely, 2^651094728700 is an apocalyptic number.

It is an amenable number.

651094728700 is an abundant number, since it is smaller than the sum of its proper divisors (874297417732).

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

651094728700 is a wasteful number, since it uses less digits than its factorization.

651094728700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261991 (or 1261984 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 651094728700 in words is "six hundred fifty-one billion, ninety-four million, seven hundred twenty-eight thousand, seven hundred".