669370793 has 8 divisors (see below), whose sum is σ = 823841088. Its totient is φ = 529611984.

The previous prime is 669370789. The next prime is 669370829. The reversal of 669370793 is 397073966.

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 669370793 - 2² = 669370789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669330793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3677771 + ... + 3677952.

It is an arithmetic number, because the mean of its divisors is an integer number (102980136).

Almost surely, 2^669370793 is an apocalyptic number.

It is an amenable number.

669370793 is a deficient number, since it is larger than the sum of its proper divisors (154470295).

669370793 is a wasteful number, since it uses less digits than its factorization.

669370793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355743.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The square root of 669370793 is about 25872.2011626379. The cubic root of 669370793 is about 874.7600073243.

The spelling of 669370793 in words is "six hundred sixty-nine million, three hundred seventy thousand, seven hundred ninety-three".