652987123994 has 16 divisors (see below), whose sum is σ = 1011694634496. Its totient is φ = 315768450000.

The previous prime is 652987123909. The next prime is 652987124017. The reversal of 652987123994 is 499321789256.

It is a self number, because there is not a number n which added to its sum of digits gives 652987123994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115382 + ... + 3318369.

It is an arithmetic number, because the mean of its divisors is an integer number (63230914656).

Almost surely, 2^652987123994 is an apocalyptic number.

652987123994 is a deficient number, since it is larger than the sum of its proper divisors (358707510502).

652987123994 is a wasteful number, since it uses less digits than its factorization.

652987123994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435421.

The product of its digits is 58786560, while the sum is 65.

The spelling of 652987123994 in words is "six hundred fifty-two billion, nine hundred eighty-seven million, one hundred twenty-three thousand, nine hundred ninety-four".