392401617613 has 2 divisors, whose sum is σ = 392401617614. Its totient is φ = 392401617612.

The previous prime is 392401617599. The next prime is 392401617653. The reversal of 392401617613 is 316716104293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245527187049 + 146874430564 = 495507^2 + 383242^2 .

It is a cyclic number.

It is not a de Polignac number, because 392401617613 - 2¹⁷ = 392401486541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392401617613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392401617653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196200808806 + 196200808807.

It is an arithmetic number, because the mean of its divisors is an integer number (196200808807).

Almost surely, 2^392401617613 is an apocalyptic number.

It is an amenable number.

392401617613 is a deficient number, since it is larger than the sum of its proper divisors (1).

392401617613 is an equidigital number, since it uses as much as digits as its factorization.

392401617613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 392401617613 in words is "three hundred ninety-two billion, four hundred one million, six hundred seventeen thousand, six hundred thirteen".