2236481913 has 4 divisors (see below), whose sum is σ = 2981975888. Its totient is φ = 1490987940.

The previous prime is 2236481881. The next prime is 2236481953. The reversal of 2236481913 is 3191846322.

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 2236481913 - 2⁵ = 2236481881 is a prime.

It is a super-2 number, since 2×2236481913² = 10003702694352279138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236481953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372746983 + ... + 372746988.

It is an arithmetic number, because the mean of its divisors is an integer number (745493972).

Almost surely, 2^2236481913 is an apocalyptic number.

It is an amenable number.

2236481913 is a deficient number, since it is larger than the sum of its proper divisors (745493975).

2236481913 is an equidigital number, since it uses as much as digits as its factorization.

2236481913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745493974.

The product of its digits is 62208, while the sum is 39.

The square root of 2236481913 is about 47291.4570826487. The cubic root of 2236481913 is about 1307.7411713496.

The spelling of 2236481913 in words is "two billion, two hundred thirty-six million, four hundred eighty-one thousand, nine hundred thirteen".