398923735307 has 2 divisors, whose sum is σ = 398923735308. Its totient is φ = 398923735306.

The previous prime is 398923735283. The next prime is 398923735333. The reversal of 398923735307 is 703537329893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398923735307 - 2²² = 398919541003 is a prime.

It is not a weakly prime, because it can be changed into another prime (398923735367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199461867653 + 199461867654.

It is an arithmetic number, because the mean of its divisors is an integer number (199461867654).

Almost surely, 2^398923735307 is an apocalyptic number.

398923735307 is a deficient number, since it is larger than the sum of its proper divisors (1).

398923735307 is an equidigital number, since it uses as much as digits as its factorization.

398923735307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 59.

The spelling of 398923735307 in words is "three hundred ninety-eight billion, nine hundred twenty-three million, seven hundred thirty-five thousand, three hundred seven".