669895753 has 8 divisors (see below), whose sum is σ = 691545888. Its totient is φ = 648521664.

The previous prime is 669895741. The next prime is 669895757. The reversal of 669895753 is 357598966.

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 669895753 - 2²¹ = 667798601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669895757) 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, 64075 + ... + 73792.

It is an arithmetic number, because the mean of its divisors is an integer number (86443236).

Almost surely, 2^669895753 is an apocalyptic number.

It is an amenable number.

669895753 is a deficient number, since it is larger than the sum of its proper divisors (21650135).

669895753 is a wasteful number, since it uses less digits than its factorization.

669895753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138023.

The product of its digits is 12247200, while the sum is 58.

The square root of 669895753 is about 25882.3444262687. The cubic root of 669895753 is about 874.9886270086.

The spelling of 669895753 in words is "six hundred sixty-nine million, eight hundred ninety-five thousand, seven hundred fifty-three".