39130398917 has 2 divisors, whose sum is σ = 39130398918. Its totient is φ = 39130398916.

The previous prime is 39130398899. The next prime is 39130398949. The reversal of 39130398917 is 71989303193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21387892516 + 17742506401 = 146246^2 + 133201^2 .

It is an emirp because it is prime and its reverse (71989303193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39130398917 - 2⁸ = 39130398661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39130398317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19565199458 + 19565199459.

It is an arithmetic number, because the mean of its divisors is an integer number (19565199459).

Almost surely, 2^39130398917 is an apocalyptic number.

It is an amenable number.

39130398917 is a deficient number, since it is larger than the sum of its proper divisors (1).

39130398917 is an equidigital number, since it uses as much as digits as its factorization.

39130398917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The spelling of 39130398917 in words is "thirty-nine billion, one hundred thirty million, three hundred ninety-eight thousand, nine hundred seventeen".