392998132817 has 2 divisors, whose sum is σ = 392998132818. Its totient is φ = 392998132816.

The previous prime is 392998132783. The next prime is 392998132841. The reversal of 392998132817 is 718231899293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320219042641 + 72779090176 = 565879^2 + 269776^2 .

It is a cyclic number.

It is not a de Polignac number, because 392998132817 - 2²⁸ = 392729697361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392998132817.

It is not a weakly prime, because it can be changed into another prime (392998131817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196499066408 + 196499066409.

It is an arithmetic number, because the mean of its divisors is an integer number (196499066409).

Almost surely, 2^392998132817 is an apocalyptic number.

It is an amenable number.

392998132817 is a deficient number, since it is larger than the sum of its proper divisors (1).

392998132817 is an equidigital number, since it uses as much as digits as its factorization.

392998132817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 62.

The spelling of 392998132817 in words is "three hundred ninety-two billion, nine hundred ninety-eight million, one hundred thirty-two thousand, eight hundred seventeen".