517198979414 has 64 divisors (see below), whose sum is σ = 887500152000. Its totient is φ = 224312309760.

The previous prime is 517198979393. The next prime is 517198979419. The reversal of 517198979414 is 414979891715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517198979419) 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, 12933002 + ... + 12972930.

It is an arithmetic number, because the mean of its divisors is an integer number (13867189875).

Almost surely, 2^517198979414 is an apocalyptic number.

517198979414 is a deficient number, since it is larger than the sum of its proper divisors (370301172586).

517198979414 is a wasteful number, since it uses less digits than its factorization.

517198979414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40433.

The product of its digits is 22861440, while the sum is 65.

The spelling of 517198979414 in words is "five hundred seventeen billion, one hundred ninety-eight million, nine hundred seventy-nine thousand, four hundred fourteen".