2291769893 has 4 divisors (see below), whose sum is σ = 2619165600. Its totient is φ = 1964374188.

The previous prime is 2291769889. The next prime is 2291769913. The reversal of 2291769893 is 3989671922.

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 not a de Polignac number, because 2291769893 - 2² = 2291769889 is a prime.

It is a super-2 number, since 2×2291769893² = 10504418484922462898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291769833) 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, 163697843 + ... + 163697856.

It is an arithmetic number, because the mean of its divisors is an integer number (654791400).

Almost surely, 2^2291769893 is an apocalyptic number.

It is an amenable number.

2291769893 is a deficient number, since it is larger than the sum of its proper divisors (327395707).

2291769893 is an equidigital number, since it uses as much as digits as its factorization.

2291769893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327395706.

The product of its digits is 2939328, while the sum is 56.

The square root of 2291769893 is about 47872.4335395643. The cubic root of 2291769893 is about 1318.4297775293.

The spelling of 2291769893 in words is "two billion, two hundred ninety-one million, seven hundred sixty-nine thousand, eight hundred ninety-three".