2235819149 has 4 divisors (see below), whose sum is σ = 2236350336. Its totient is φ = 2235287964.

The previous prime is 2235819133. The next prime is 2235819163. The reversal of 2235819149 is 9419185322.

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 2235819149 - 2⁴ = 2235819133 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 (2235819049) 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, 259229 + ... + 267714.

It is an arithmetic number, because the mean of its divisors is an integer number (559087584).

Almost surely, 2^2235819149 is an apocalyptic number.

It is an amenable number.

2235819149 is a deficient number, since it is larger than the sum of its proper divisors (531187).

2235819149 is an equidigital number, since it uses as much as digits as its factorization.

2235819149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531186.

The product of its digits is 155520, while the sum is 44.

The square root of 2235819149 is about 47284.4493359075. The cubic root of 2235819149 is about 1307.6119789494.

The spelling of 2235819149 in words is "two billion, two hundred thirty-five million, eight hundred nineteen thousand, one hundred forty-nine".