2749719051 has 6 divisors (see below), whose sum is σ = 3971816420. Its totient is φ = 1833146028.

The previous prime is 2749719031. The next prime is 2749719053. The reversal of 2749719051 is 1509179472.

2749719051 is a `hidden beast` number, since 27 + 497 + 1 + 90 + 51 = 666.

It is not a de Polignac number, because 2749719051 - 2²³ = 2741330443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2749718988 and 2749719006.

It is not an unprimeable number, because it can be changed into a prime (2749719053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152762161 + ... + 152762178.

Almost surely, 2^2749719051 is an apocalyptic number.

2749719051 is a deficient number, since it is larger than the sum of its proper divisors (1222097369).

2749719051 is a wasteful number, since it uses less digits than its factorization.

2749719051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305524345 (or 305524342 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 2749719051 is about 52437.7635964769. The cubic root of 2749719051 is about 1400.9719527848.

The spelling of 2749719051 in words is "two billion, seven hundred forty-nine million, seven hundred nineteen thousand, fifty-one".