669492285958 has 8 divisors (see below), whose sum is σ = 1063311277752. Its totient is φ = 315055193376.

The previous prime is 669492285949. The next prime is 669492285961. The reversal of 669492285958 is 859582294966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 9845474760 + ... + 9845474827.

It is an arithmetic number, because the mean of its divisors is an integer number (132913909719).

Almost surely, 2^669492285958 is an apocalyptic number.

669492285958 is a deficient number, since it is larger than the sum of its proper divisors (393818991794).

669492285958 is a wasteful number, since it uses less digits than its factorization.

669492285958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19690949606.

The product of its digits is 671846400, while the sum is 73.

The spelling of 669492285958 in words is "six hundred sixty-nine billion, four hundred ninety-two million, two hundred eighty-five thousand, nine hundred fifty-eight".