2972255693 has 4 divisors (see below), whose sum is σ = 3242460768. Its totient is φ = 2702050620.

The previous prime is 2972255669. The next prime is 2972255731. The reversal of 2972255693 is 3965522792.

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 2972255693 - 2²⁸ = 2703820237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972255093) 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, 135102521 + ... + 135102542.

It is an arithmetic number, because the mean of its divisors is an integer number (810615192).

Almost surely, 2^2972255693 is an apocalyptic number.

It is an amenable number.

2972255693 is a deficient number, since it is larger than the sum of its proper divisors (270205075).

2972255693 is a wasteful number, since it uses less digits than its factorization.

2972255693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270205074.

The product of its digits is 2041200, while the sum is 50.

The square root of 2972255693 is about 54518.3977479163. The cubic root of 2972255693 is about 1437.7897698190.

The spelling of 2972255693 in words is "two billion, nine hundred seventy-two million, two hundred fifty-five thousand, six hundred ninety-three".