313768894447 has 4 divisors (see below), whose sum is σ = 332225888256. Its totient is φ = 295311900640.

The previous prime is 313768894429. The next prime is 313768894451. The reversal of 313768894447 is 744498867313.

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

It is a cyclic number.

It is not a de Polignac number, because 313768894447 - 2³⁵ = 279409156079 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 (313768894477) 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, 9228496879 + ... + 9228496912.

It is an arithmetic number, because the mean of its divisors is an integer number (83056472064).

Almost surely, 2^313768894447 is an apocalyptic number.

313768894447 is a deficient number, since it is larger than the sum of its proper divisors (18456993809).

313768894447 is a wasteful number, since it uses less digits than its factorization.

313768894447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456993808.

The product of its digits is 97542144, while the sum is 64.

The spelling of 313768894447 in words is "three hundred thirteen billion, seven hundred sixty-eight million, eight hundred ninety-four thousand, four hundred forty-seven".