2291893655 has 8 divisors (see below), whose sum is σ = 2751605232. Its totient is φ = 1832626368.

The previous prime is 2291893649. The next prime is 2291893657. The reversal of 2291893655 is 5563981922.

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

It is a cyclic number.

It is not a de Polignac number, because 2291893655 - 2¹⁴ = 2291877271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291893657) 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, 99614 + ... + 120443.

It is an arithmetic number, because the mean of its divisors is an integer number (343950654).

Almost surely, 2^2291893655 is an apocalyptic number.

2291893655 is a deficient number, since it is larger than the sum of its proper divisors (459711577).

2291893655 is a wasteful number, since it uses less digits than its factorization.

2291893655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222145.

The product of its digits is 1166400, while the sum is 50.

The square root of 2291893655 is about 47873.7261449326. The cubic root of 2291893655 is about 1318.4535100703.

The spelling of 2291893655 in words is "two billion, two hundred ninety-one million, eight hundred ninety-three thousand, six hundred fifty-five".