669023713 has 8 divisors (see below), whose sum is σ = 687139200. Its totient is φ = 651024528.

The previous prime is 669023689. The next prime is 669023723. The reversal of 669023713 is 317320966.

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 669023713 - 2¹³ = 669015521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669023723) 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, 17353 + ... + 40486.

It is an arithmetic number, because the mean of its divisors is an integer number (85892400).

Almost surely, 2^669023713 is an apocalyptic number.

It is an amenable number.

669023713 is a deficient number, since it is larger than the sum of its proper divisors (18115487).

669023713 is a wasteful number, since it uses less digits than its factorization.

669023713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58151.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 669023713 is about 25865.4927074664. The cubic root of 669023713 is about 874.6087885989.

It can be divided in two parts, 6690 and 23713, that added together give a palindrome (30403).

The spelling of 669023713 in words is "six hundred sixty-nine million, twenty-three thousand, seven hundred thirteen".