669404951935 has 8 divisors (see below), whose sum is σ = 804697696080. Its totient is φ = 534582792384.

The previous prime is 669404951833. The next prime is 669404951983. The reversal of 669404951935 is 539159404966.

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

It is a cyclic number.

It is not a de Polignac number, because 669404951935 - 2²⁵ = 669371397503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117643017 + ... + 117648706.

It is an arithmetic number, because the mean of its divisors is an integer number (100587212010).

Almost surely, 2^669404951935 is an apocalyptic number.

669404951935 is a deficient number, since it is larger than the sum of its proper divisors (135292744145).

669404951935 is a wasteful number, since it uses less digits than its factorization.

669404951935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235292297.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 669404951935 in words is "six hundred sixty-nine billion, four hundred four million, nine hundred fifty-one thousand, nine hundred thirty-five".