2749691079 has 12 divisors (see below), whose sum is σ = 3983161000. Its totient is φ = 1827872784.

The previous prime is 2749691071. The next prime is 2749691093. The reversal of 2749691079 is 9701969472.

It is not a de Polignac number, because 2749691079 - 2³ = 2749691071 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 (2749691071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434569 + ... + 440850.

Almost surely, 2^2749691079 is an apocalyptic number.

2749691079 is a deficient number, since it is larger than the sum of its proper divisors (1233469921).

2749691079 is a wasteful number, since it uses less digits than its factorization.

2749691079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875774 (or 875771 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 2749691079 is about 52437.4968796185. The cubic root of 2749691079 is about 1400.9672022243.

The spelling of 2749691079 in words is "two billion, seven hundred forty-nine million, six hundred ninety-one thousand, seventy-nine".