2972662393 has 4 divisors (see below), whose sum is σ = 3101908608. Its totient is φ = 2843416180.

The previous prime is 2972662387. The next prime is 2972662417. The reversal of 2972662393 is 3932662792.

It is a happy number.

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 2972662393 - 2²⁹ = 2435791481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972662373) 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, 64623073 + ... + 64623118.

It is an arithmetic number, because the mean of its divisors is an integer number (775477152).

Almost surely, 2^2972662393 is an apocalyptic number.

2972662393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2972662393 is a deficient number, since it is larger than the sum of its proper divisors (129246215).

2972662393 is a wasteful number, since it uses less digits than its factorization.

2972662393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129246214.

The product of its digits is 1469664, while the sum is 49.

The square root of 2972662393 is about 54522.1275538657. The cubic root of 2972662393 is about 1437.8553454279.

The spelling of 2972662393 in words is "two billion, nine hundred seventy-two million, six hundred sixty-two thousand, three hundred ninety-three".