5190981346693 has 4 divisors (see below), whose sum is σ = 5209324037248. Its totient is φ = 5172638656140.

The previous prime is 5190981346667. The next prime is 5190981346723. The reversal of 5190981346693 is 3966431890915.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-5190981346693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5190988346693) 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, 9171344853 + ... + 9171345418.

It is an arithmetic number, because the mean of its divisors is an integer number (1302331009312).

Almost surely, 2^{5190981346693} is an apocalyptic number.

It is an amenable number.

5190981346693 is a deficient number, since it is larger than the sum of its proper divisors (18342690555).

5190981346693 is a wasteful number, since it uses less digits than its factorization.

5190981346693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342690554.

The product of its (nonzero) digits is 37791360, while the sum is 64.

The spelling of 5190981346693 in words is "five trillion, one hundred ninety billion, nine hundred eighty-one million, three hundred forty-six thousand, six hundred ninety-three".