39691652712 has 64 divisors (see below), whose sum is σ = 100356312000. Its totient is φ = 13080545280.

The previous prime is 39691652711. The next prime is 39691652747. The reversal of 39691652712 is 21725619693.

It is not an unprimeable number, because it can be changed into a prime (39691652711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2368539 + ... + 2385237.

It is an arithmetic number, because the mean of its divisors is an integer number (1568067375).

Almost surely, 2^39691652712 is an apocalyptic number.

It is an amenable number.

39691652712 is an abundant number, since it is smaller than the sum of its proper divisors (60664659288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39691652712 is a wasteful number, since it uses less digits than its factorization.

39691652712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17826 (or 17822 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The spelling of 39691652712 in words is "thirty-nine billion, six hundred ninety-one million, six hundred fifty-two thousand, seven hundred twelve".