2258109943 has 4 divisors (see below), whose sum is σ = 2262824640. Its totient is φ = 2253395248.

The previous prime is 2258109941. The next prime is 2258109961. The reversal of 2258109943 is 3499018522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2258109943 - 2¹ = 2258109941 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 2258109943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258109941) 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, 2356630 + ... + 2357587.

It is an arithmetic number, because the mean of its divisors is an integer number (565706160).

Almost surely, 2^2258109943 is an apocalyptic number.

2258109943 is a deficient number, since it is larger than the sum of its proper divisors (4714697).

2258109943 is an equidigital number, since it uses as much as digits as its factorization.

2258109943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714696.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 2258109943 is about 47519.5743141708. The cubic root of 2258109943 is about 1311.9431843751.

The spelling of 2258109943 in words is "two billion, two hundred fifty-eight million, one hundred nine thousand, nine hundred forty-three".