398045709233 has 4 divisors (see below), whose sum is σ = 398079513840. Its totient is φ = 398011904628.

The previous prime is 398045709197. The next prime is 398045709263. The reversal of 398045709233 is 332907540893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 398045709233 - 2⁶ = 398045709169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398045709263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16884635 + ... + 16908192.

It is an arithmetic number, because the mean of its divisors is an integer number (99519878460).

Almost surely, 2^398045709233 is an apocalyptic number.

It is an amenable number.

398045709233 is a deficient number, since it is larger than the sum of its proper divisors (33804607).

398045709233 is a wasteful number, since it uses less digits than its factorization.

398045709233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33804606.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 398045709233 in words is "three hundred ninety-eight billion, forty-five million, seven hundred nine thousand, two hundred thirty-three".