39094864909 has 2 divisors, whose sum is σ = 39094864910. Its totient is φ = 39094864908.

The previous prime is 39094864891. The next prime is 39094864937. The reversal of 39094864909 is 90946849093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28139056009 + 10955808900 = 167747^2 + 104670^2 .

It is a cyclic number.

It is not a de Polignac number, because 39094864909 - 2⁵ = 39094864877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39094864979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19547432454 + 19547432455.

It is an arithmetic number, because the mean of its divisors is an integer number (19547432455).

Almost surely, 2^39094864909 is an apocalyptic number.

It is an amenable number.

39094864909 is a deficient number, since it is larger than the sum of its proper divisors (1).

39094864909 is an equidigital number, since it uses as much as digits as its factorization.

39094864909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 39094864909 in words is "thirty-nine billion, ninety-four million, eight hundred sixty-four thousand, nine hundred nine".