2751799249 has 2 divisors, whose sum is σ = 2751799250. Its totient is φ = 2751799248.

The previous prime is 2751799159. The next prime is 2751799343. The reversal of 2751799249 is 9429971572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2627075025 + 124724224 = 51255^2 + 11168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751799249 - 2¹¹ = 2751797201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2751799249.

It is not a weakly prime, because it can be changed into another prime (2751799549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375899624 + 1375899625.

It is an arithmetic number, because the mean of its divisors is an integer number (1375899625).

Almost surely, 2^2751799249 is an apocalyptic number.

It is an amenable number.

2751799249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751799249 is an equidigital number, since it uses as much as digits as its factorization.

2751799249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 55.

The square root of 2751799249 is about 52457.5947694898. The cubic root of 2751799249 is about 1401.3251481970.

The spelling of 2751799249 in words is "two billion, seven hundred fifty-one million, seven hundred ninety-nine thousand, two hundred forty-nine".