2749556118 has 64 divisors (see below), whose sum is σ = 5700575232. Its totient is φ = 883652640.

The previous prime is 2749556113. The next prime is 2749556213. The reversal of 2749556118 is 8116559472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749556113) 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 31 ways as a sum of consecutive naturals, for example, 9715605 + ... + 9715887.

It is an arithmetic number, because the mean of its divisors is an integer number (89071488).

Almost surely, 2^2749556118 is an apocalyptic number.

2749556118 is an abundant number, since it is smaller than the sum of its proper divisors (2951019114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2749556118 is a wasteful number, since it uses less digits than its factorization.

2749556118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its digits is 604800, while the sum is 48.

The square root of 2749556118 is about 52436.2099888998. The cubic root of 2749556118 is about 1400.9442809793.

The spelling of 2749556118 in words is "two billion, seven hundred forty-nine million, five hundred fifty-six thousand, one hundred eighteen".