669882470399 has 8 divisors (see below), whose sum is σ = 709883863920. Its totient is φ = 631007876800.

The previous prime is 669882470311. The next prime is 669882470431. The reversal of 669882470399 is 993074288966.

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 669882470399 - 2³² = 665587503103 is a prime.

It is a super-2 number, since 2×669882470399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669882470599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281698757 + ... + 281701134.

It is an arithmetic number, because the mean of its divisors is an integer number (88735482990).

Almost surely, 2^669882470399 is an apocalyptic number.

669882470399 is a deficient number, since it is larger than the sum of its proper divisors (40001393521).

669882470399 is a wasteful number, since it uses less digits than its factorization.

669882470399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563399961.

The product of its (nonzero) digits is 282175488, while the sum is 71.

The spelling of 669882470399 in words is "six hundred sixty-nine billion, eight hundred eighty-two million, four hundred seventy thousand, three hundred ninety-nine".