2243876149 has 4 divisors (see below), whose sum is σ = 2244124480. Its totient is φ = 2243627820.

The previous prime is 2243876123. The next prime is 2243876177. The reversal of 2243876149 is 9416783422.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2243876149 - 2⁹ = 2243875637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243876099 and 2243876108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243870149) 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, 110079 + ... + 128860.

It is an arithmetic number, because the mean of its divisors is an integer number (561031120).

Almost surely, 2^2243876149 is an apocalyptic number.

It is an amenable number.

2243876149 is a deficient number, since it is larger than the sum of its proper divisors (248331).

2243876149 is an equidigital number, since it uses as much as digits as its factorization.

2243876149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248330.

The product of its digits is 580608, while the sum is 46.

The square root of 2243876149 is about 47369.5698629405. The cubic root of 2243876149 is about 1309.1807999089.

The spelling of 2243876149 in words is "two billion, two hundred forty-three million, eight hundred seventy-six thousand, one hundred forty-nine".