313453735649 has 4 divisors (see below), whose sum is σ = 313456524036. Its totient is φ = 313450947264.

The previous prime is 313453735643. The next prime is 313453735669. The reversal of 313453735649 is 946537354313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70214400400 + 243239335249 = 264980^2 + 493193^2 .

It is a cyclic number.

It is not a de Polignac number, because 313453735649 - 2²⁰ = 313452687073 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 313453735649.

It is not an unprimeable number, because it can be changed into a prime (313453735643) 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, 1218164 + ... + 1452869.

It is an arithmetic number, because the mean of its divisors is an integer number (78364131009).

Almost surely, 2^313453735649 is an apocalyptic number.

It is an amenable number.

313453735649 is a deficient number, since it is larger than the sum of its proper divisors (2788387).

313453735649 is a wasteful number, since it uses less digits than its factorization.

313453735649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788386.

The product of its digits is 12247200, while the sum is 53.

The spelling of 313453735649 in words is "three hundred thirteen billion, four hundred fifty-three million, seven hundred thirty-five thousand, six hundred forty-nine".