398513209474 has 64 divisors (see below), whose sum is σ = 649040601600. Its totient is φ = 182928844800.

The previous prime is 398513209447. The next prime is 398513209477. The reversal of 398513209474 is 474902315893.

It is not an unprimeable number, because it can be changed into a prime (398513209477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95404474 + ... + 95408650.

It is an arithmetic number, because the mean of its divisors is an integer number (10141259400).

Almost surely, 2^398513209474 is an apocalyptic number.

398513209474 is a deficient number, since it is larger than the sum of its proper divisors (250527392126).

398513209474 is a wasteful number, since it uses less digits than its factorization.

398513209474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 398513209474 in words is "three hundred ninety-eight billion, five hundred thirteen million, two hundred nine thousand, four hundred seventy-four".