398902233683 has 2 divisors, whose sum is σ = 398902233684. Its totient is φ = 398902233682.

The previous prime is 398902233679. The next prime is 398902233727. The reversal of 398902233683 is 386332209893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398902233683 - 2² = 398902233679 is a prime.

It is not a weakly prime, because it can be changed into another prime (398902232683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199451116841 + 199451116842.

It is an arithmetic number, because the mean of its divisors is an integer number (199451116842).

Almost surely, 2^398902233683 is an apocalyptic number.

398902233683 is a deficient number, since it is larger than the sum of its proper divisors (1).

398902233683 is an equidigital number, since it uses as much as digits as its factorization.

398902233683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 398902233683 in words is "three hundred ninety-eight billion, nine hundred two million, two hundred thirty-three thousand, six hundred eighty-three".