39131689009 has 16 divisors (see below), whose sum is σ = 46672439040. Its totient is φ = 32078946240.

The previous prime is 39131689007. The next prime is 39131689013. The reversal of 39131689009 is 90098613193.

It is a cyclic number.

It is not a de Polignac number, because 39131689009 - 2¹ = 39131689007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39131689007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101279 + ... + 2119819.

It is an arithmetic number, because the mean of its divisors is an integer number (2917027440).

Almost surely, 2^39131689009 is an apocalyptic number.

It is an amenable number.

39131689009 is a deficient number, since it is larger than the sum of its proper divisors (7540750031).

39131689009 is a wasteful number, since it uses less digits than its factorization.

39131689009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31680.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 39131689009 in words is "thirty-nine billion, one hundred thirty-one million, six hundred eighty-nine thousand, nine".