316783747387613 has 4 divisors (see below), whose sum is σ = 345582269877408. Its totient is φ = 287985224897820.

The previous prime is 316783747387507. The next prime is 316783747387619.

316783747387613 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 316783747387613 - 2²⁶ = 316783680278749 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 (316783747387619) 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, 14399261244881 + ... + 14399261244902.

It is an arithmetic number, because the mean of its divisors is an integer number (86395567469352).

Almost surely, 2^{316783747387613} is an apocalyptic number.

It is an amenable number.

316783747387613 is a deficient number, since it is larger than the sum of its proper divisors (28798522489795).

316783747387613 is a wasteful number, since it uses less digits than its factorization.

316783747387613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28798522489794.

The product of its digits is 1792336896, while the sum is 74.

The spelling of 316783747387613 in words is "three hundred sixteen trillion, seven hundred eighty-three billion, seven hundred forty-seven million, three hundred eighty-seven thousand, six hundred thirteen".