651987472652 has 48 divisors (see below), whose sum is σ = 1176744868992. Its totient is φ = 315904512000.

The previous prime is 651987472583. The next prime is 651987472681. The reversal of 651987472652 is 256274789156.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11065823 + ... + 11124585.

It is an arithmetic number, because the mean of its divisors is an integer number (24515518104).

Almost surely, 2^651987472652 is an apocalyptic number.

It is an amenable number.

651987472652 is a deficient number, since it is larger than the sum of its proper divisors (524757396340).

651987472652 is a wasteful number, since it uses less digits than its factorization.

651987472652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59318 (or 59316 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 62.

The spelling of 651987472652 in words is "six hundred fifty-one billion, nine hundred eighty-seven million, four hundred seventy-two thousand, six hundred fifty-two".