669932955 has 12 divisors (see below), whose sum is σ = 1161217200. Its totient is φ = 357297552.

The previous prime is 669932953. The next prime is 669932959. The reversal of 669932955 is 559239966.

It is not a de Polignac number, because 669932955 - 2¹ = 669932953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669932953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7443655 + ... + 7443744.

It is an arithmetic number, because the mean of its divisors is an integer number (96768100).

Almost surely, 2^669932955 is an apocalyptic number.

669932955 is a deficient number, since it is larger than the sum of its proper divisors (491284245).

669932955 is a wasteful number, since it uses less digits than its factorization.

669932955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14887410 (or 14887407 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 54.

The square root of 669932955 is about 25883.0630915276. The cubic root of 669932955 is about 875.0048239190.

The spelling of 669932955 in words is "six hundred sixty-nine million, nine hundred thirty-two thousand, nine hundred fifty-five".