39669809707 has 6 divisors (see below), whose sum is σ = 43604005844. Its totient is φ = 36063463260.

The previous prime is 39669809687. The next prime is 39669809713. The reversal of 39669809707 is 70790896693.

It is not a de Polignac number, because 39669809707 - 2¹¹ = 39669807659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39669807707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163924713 + ... + 163924954.

Almost surely, 2^39669809707 is an apocalyptic number.

39669809707 is a deficient number, since it is larger than the sum of its proper divisors (3934196137).

39669809707 is a wasteful number, since it uses less digits than its factorization.

39669809707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327849689 (or 327849678 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 39669809707 in words is "thirty-nine billion, six hundred sixty-nine million, eight hundred nine thousand, seven hundred seven".