2268996539 has 4 divisors (see below), whose sum is σ = 2324337960. Its totient is φ = 2213655120.

The previous prime is 2268996427. The next prime is 2268996557. The reversal of 2268996539 is 9356998622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9356998622 = 2 ⋅4678499311.

It is a cyclic number.

It is not a de Polignac number, because 2268996539 - 2¹⁶ = 2268931003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2268996589) 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, 27670649 + ... + 27670730.

It is an arithmetic number, because the mean of its divisors is an integer number (581084490).

Almost surely, 2^2268996539 is an apocalyptic number.

2268996539 is a deficient number, since it is larger than the sum of its proper divisors (55341421).

2268996539 is an equidigital number, since it uses as much as digits as its factorization.

2268996539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55341420.

The product of its digits is 12597120, while the sum is 59.

The square root of 2268996539 is about 47633.9851261681. The cubic root of 2268996539 is about 1314.0481459593.

The spelling of 2268996539 in words is "two billion, two hundred sixty-eight million, nine hundred ninety-six thousand, five hundred thirty-nine".