2158234941 has 4 divisors (see below), whose sum is σ = 2877646592. Its totient is φ = 1438823292.

The previous prime is 2158234937. The next prime is 2158234987. The reversal of 2158234941 is 1494328512.

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 2158234941 - 2² = 2158234937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2158234941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158234921) 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, 359705821 + ... + 359705826.

It is an arithmetic number, because the mean of its divisors is an integer number (719411648).

Almost surely, 2^2158234941 is an apocalyptic number.

It is an amenable number.

2158234941 is a deficient number, since it is larger than the sum of its proper divisors (719411651).

2158234941 is an equidigital number, since it uses as much as digits as its factorization.

2158234941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719411650.

The product of its digits is 69120, while the sum is 39.

The square root of 2158234941 is about 46456.8072622301. The cubic root of 2158234941 is about 1292.3086158143.

The spelling of 2158234941 in words is "two billion, one hundred fifty-eight million, two hundred thirty-four thousand, nine hundred forty-one".