5217491892774 has 16 divisors (see below), whose sum is σ = 11925695755008. Its totient is φ = 1490711969352.

The previous prime is 5217491892751. The next prime is 5217491892853. The reversal of 5217491892774 is 4772981947125.

It is a happy number.

It is a super-2 number, since 2×5217491892774² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62112998682 + ... + 62112998765.

It is an arithmetic number, because the mean of its divisors is an integer number (745355984688).

Almost surely, 2^{5217491892774} is an apocalyptic number.

5217491892774 is an abundant number, since it is smaller than the sum of its proper divisors (6708203862234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5217491892774 is a wasteful number, since it uses less digits than its factorization.

5217491892774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124225997459.

The product of its digits is 71124480, while the sum is 66.

The spelling of 5217491892774 in words is "five trillion, two hundred seventeen billion, four hundred ninety-one million, eight hundred ninety-two thousand, seven hundred seventy-four".