39712107313 has 2 divisors, whose sum is σ = 39712107314. Its totient is φ = 39712107312.

The previous prime is 39712107247. The next prime is 39712107343. The reversal of 39712107313 is 31370121793.

39712107313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21854595889 + 17857511424 = 147833^2 + 133632^2 .

It is a cyclic number.

It is not a de Polignac number, because 39712107313 - 2²¹ = 39710010161 is a prime.

It is not a weakly prime, because it can be changed into another prime (39712107343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19856053656 + 19856053657.

It is an arithmetic number, because the mean of its divisors is an integer number (19856053657).

Almost surely, 2^39712107313 is an apocalyptic number.

It is an amenable number.

39712107313 is a deficient number, since it is larger than the sum of its proper divisors (1).

39712107313 is an equidigital number, since it uses as much as digits as its factorization.

39712107313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The spelling of 39712107313 in words is "thirty-nine billion, seven hundred twelve million, one hundred seven thousand, three hundred thirteen".