363998678599 has 2 divisors, whose sum is σ = 363998678600. Its totient is φ = 363998678598.

The previous prime is 363998678587. The next prime is 363998678621. The reversal of 363998678599 is 995876899363.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363998678599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (363998678539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181999339299 + 181999339300.

It is an arithmetic number, because the mean of its divisors is an integer number (181999339300).

Almost surely, 2^363998678599 is an apocalyptic number.

363998678599 is a deficient number, since it is larger than the sum of its proper divisors (1).

363998678599 is an equidigital number, since it uses as much as digits as its factorization.

363998678599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4761711360, while the sum is 82.

The spelling of 363998678599 in words is "three hundred sixty-three billion, nine hundred ninety-eight million, six hundred seventy-eight thousand, five hundred ninety-nine".