2153792771 has 8 divisors (see below), whose sum is σ = 2376042144. Its totient is φ = 1939625280.

The previous prime is 2153792759. The next prime is 2153792779. The reversal of 2153792771 is 1772973512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153792771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153792779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019911 + ... + 2020976.

It is an arithmetic number, because the mean of its divisors is an integer number (297005268).

Almost surely, 2^2153792771 is an apocalyptic number.

2153792771 is a deficient number, since it is larger than the sum of its proper divisors (222249373).

2153792771 is a wasteful number, since it uses less digits than its factorization.

2153792771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040941.

The product of its digits is 185220, while the sum is 44.

The square root of 2153792771 is about 46408.9729578236. The cubic root of 2153792771 is about 1291.4213788231.

The spelling of 2153792771 in words is "two billion, one hundred fifty-three million, seven hundred ninety-two thousand, seven hundred seventy-one".