2516379193893 has 4 divisors (see below), whose sum is σ = 3355172258528. Its totient is φ = 1677586129260.

The previous prime is 2516379193877. The next prime is 2516379193907. The reversal of 2516379193893 is 3983919736152.

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 not a de Polignac number, because 2516379193893 - 2⁴ = 2516379193877 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 (2516379193843) 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, 419396532313 + ... + 419396532318.

It is an arithmetic number, because the mean of its divisors is an integer number (838793064632).

Almost surely, 2^{2516379193893} is an apocalyptic number.

It is an amenable number.

2516379193893 is a deficient number, since it is larger than the sum of its proper divisors (838793064635).

2516379193893 is an equidigital number, since it uses as much as digits as its factorization.

2516379193893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838793064634.

The product of its digits is 66134880, while the sum is 66.

The spelling of 2516379193893 in words is "two trillion, five hundred sixteen billion, three hundred seventy-nine million, one hundred ninety-three thousand, eight hundred ninety-three".