39639669404 has 12 divisors (see below), whose sum is σ = 69398067984. Its totient is φ = 19811649984.

The previous prime is 39639669383. The next prime is 39639669449. The reversal of 39639669404 is 40496693693.

It is a super-3 number, since 3×39639669404³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035277 + ... + 2054660.

It is an arithmetic number, because the mean of its divisors is an integer number (5783172332).

Almost surely, 2^39639669404 is an apocalyptic number.

It is an amenable number.

39639669404 is a deficient number, since it is larger than the sum of its proper divisors (29758398580).

39639669404 is a wasteful number, since it uses less digits than its factorization.

39639669404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092364 (or 4092362 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 59.

The spelling of 39639669404 in words is "thirty-nine billion, six hundred thirty-nine million, six hundred sixty-nine thousand, four hundred four".