992213713 has 4 divisors (see below), whose sum is σ = 992453220. Its totient is φ = 991974208.

The previous prime is 992213707. The next prime is 992213771. The reversal of 992213713 is 317312299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317312299 = 6029 ⋅52631.

It can be written as a sum of positive squares in 2 ways, for example, as 958026304 + 34187409 = 30952^2 + 5847^2 .

It is a cyclic number.

It is not a de Polignac number, because 992213713 - 2⁵ = 992213681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992213773) 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, 113428 + ... + 121861.

It is an arithmetic number, because the mean of its divisors is an integer number (248113305).

Almost surely, 2^992213713 is an apocalyptic number.

It is an amenable number.

992213713 is a deficient number, since it is larger than the sum of its proper divisors (239507).

992213713 is a wasteful number, since it uses less digits than its factorization.

992213713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239506.

The product of its digits is 20412, while the sum is 37.

The square root of 992213713 is about 31499.4240106069. The cubic root of 992213713 is about 997.3978054571.

The spelling of 992213713 in words is "nine hundred ninety-two million, two hundred thirteen thousand, seven hundred thirteen".