689972966240 has 48 divisors (see below), whose sum is σ = 1630387679760. Its totient is φ = 275933898240.

The previous prime is 689972966239. The next prime is 689972966251. The reversal of 689972966240 is 42669279986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373931 + ... + 1232789.

It is an arithmetic number, because the mean of its divisors is an integer number (33966409995).

Almost surely, 2^689972966240 is an apocalyptic number.

It is an amenable number.

689972966240 is an abundant number, since it is smaller than the sum of its proper divisors (940414713520).

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

689972966240 is a wasteful number, since it uses less digits than its factorization.

689972966240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863895 (or 863887 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 689972966240 in words is "six hundred eighty-nine billion, nine hundred seventy-two million, nine hundred sixty-six thousand, two hundred forty".