1313724118949 has 4 divisors (see below), whose sum is σ = 1433153584320. Its totient is φ = 1194294653580.

The previous prime is 1313724118937. The next prime is 1313724118951. The reversal of 1313724118949 is 9498114273131.

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-1313724118949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313724118949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313724118649) 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, 59714732669 + ... + 59714732690.

It is an arithmetic number, because the mean of its divisors is an integer number (358288396080).

Almost surely, 2^{1313724118949} is an apocalyptic number.

It is an amenable number.

1313724118949 is a deficient number, since it is larger than the sum of its proper divisors (119429465371).

1313724118949 is a wasteful number, since it uses less digits than its factorization.

1313724118949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119429465370.

The product of its digits is 1306368, while the sum is 53.

The spelling of 1313724118949 in words is "one trillion, three hundred thirteen billion, seven hundred twenty-four million, one hundred eighteen thousand, nine hundred forty-nine".