312663754369 has 4 divisors (see below), whose sum is σ = 312811868160. Its totient is φ = 312515640580.

The previous prime is 312663754339. The next prime is 312663754373. The reversal of 312663754369 is 963457366213.

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 312663754369 - 2³¹ = 310516270721 is a prime.

It is a super-2 number, since 2×312663754369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312663754339) 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, 74053729 + ... + 74057950.

It is an arithmetic number, because the mean of its divisors is an integer number (78202967040).

Almost surely, 2^312663754369 is an apocalyptic number.

It is an amenable number.

312663754369 is a deficient number, since it is larger than the sum of its proper divisors (148113791).

312663754369 is a wasteful number, since it uses less digits than its factorization.

312663754369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148113790.

The product of its digits is 14696640, while the sum is 55.

The spelling of 312663754369 in words is "three hundred twelve billion, six hundred sixty-three million, seven hundred fifty-four thousand, three hundred sixty-nine".