204002631125399 has 2 divisors, whose sum is σ = 204002631125400. Its totient is φ = 204002631125398.

The previous prime is 204002631125387. The next prime is 204002631125401. The reversal of 204002631125399 is 993521136200402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204002631125399 is a prime.

It is a super-2 number, since 2×204002631125399² (a number of 29 digits) contains 22 as substring.

Together with 204002631125401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204002631125369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102001315562699 + 102001315562700.

It is an arithmetic number, because the mean of its divisors is an integer number (102001315562700).

Almost surely, 2^{204002631125399} is an apocalyptic number.

204002631125399 is a deficient number, since it is larger than the sum of its proper divisors (1).

204002631125399 is an equidigital number, since it uses as much as digits as its factorization.

204002631125399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 204002631125399 in words is "two hundred four trillion, two billion, six hundred thirty-one million, one hundred twenty-five thousand, three hundred ninety-nine".