11394947313 has 12 divisors (see below), whose sum is σ = 16904216628. Its totient is φ = 7391316960.

The previous prime is 11394947279. The next prime is 11394947327. The reversal of 11394947313 is 31374949311.

11394947313 is a `hidden beast` number, since 1 + 139 + 49 + 473 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8628923664 + 2766023649 = 92892^2 + 52593^2 .

It is not a de Polignac number, because 11394947313 - 2¹³ = 11394939121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11394947353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17109198 + ... + 17109863.

It is an arithmetic number, because the mean of its divisors is an integer number (1408684719).

Almost surely, 2^11394947313 is an apocalyptic number.

It is an amenable number.

11394947313 is a deficient number, since it is larger than the sum of its proper divisors (5509269315).

11394947313 is a wasteful number, since it uses less digits than its factorization.

11394947313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34219104 (or 34219101 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 11394947313 in words is "eleven billion, three hundred ninety-four million, nine hundred forty-seven thousand, three hundred thirteen".