2271653149 has 4 divisors (see below), whose sum is σ = 2324482336. Its totient is φ = 2218823964.

The previous prime is 2271653141. The next prime is 2271653159. The reversal of 2271653149 is 9413561722.

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 2271653149 - 2³ = 2271653141 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 (2271653141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26414529 + ... + 26414614.

It is an arithmetic number, because the mean of its divisors is an integer number (581120584).

Almost surely, 2^2271653149 is an apocalyptic number.

It is an amenable number.

2271653149 is a deficient number, since it is larger than the sum of its proper divisors (52829187).

2271653149 is an equidigital number, since it uses as much as digits as its factorization.

2271653149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52829186.

The product of its digits is 90720, while the sum is 40.

The square root of 2271653149 is about 47661.8626262130. The cubic root of 2271653149 is about 1314.5607884201.

The spelling of 2271653149 in words is "two billion, two hundred seventy-one million, six hundred fifty-three thousand, one hundred forty-nine".