398949373734913 has 16 divisors (see below), whose sum is σ = 409858474836096. Its totient is φ = 388046948365440.

The previous prime is 398949373734881. The next prime is 398949373734929. The reversal of 398949373734913 is 319437373949893.

It is a cyclic number.

It is not a de Polignac number, because 398949373734913 - 2⁵ = 398949373734881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398949373731913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7186824828 + ... + 7186880338.

It is an arithmetic number, because the mean of its divisors is an integer number (25616154677256).

Almost surely, 2^{398949373734913} is an apocalyptic number.

It is an amenable number.

398949373734913 is a deficient number, since it is larger than the sum of its proper divisors (10909101101183).

398949373734913 is a wasteful number, since it uses less digits than its factorization.

398949373734913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112104.

The product of its digits is 9999593856, while the sum is 82.

The spelling of 398949373734913 in words is "three hundred ninety-eight trillion, nine hundred forty-nine billion, three hundred seventy-three million, seven hundred thirty-four thousand, nine hundred thirteen".