398882185963 has 2 divisors, whose sum is σ = 398882185964. Its totient is φ = 398882185962.

The previous prime is 398882185853. The next prime is 398882185967. The reversal of 398882185963 is 369581288893.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398882185963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398882185892 and 398882185901.

It is not a weakly prime, because it can be changed into another prime (398882185967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199441092981 + 199441092982.

It is an arithmetic number, because the mean of its divisors is an integer number (199441092982).

Almost surely, 2^398882185963 is an apocalyptic number.

398882185963 is a deficient number, since it is larger than the sum of its proper divisors (1).

398882185963 is an equidigital number, since it uses as much as digits as its factorization.

398882185963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179159040, while the sum is 70.

The spelling of 398882185963 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, one hundred eighty-five thousand, nine hundred sixty-three".