2751263891 has 2 divisors, whose sum is σ = 2751263892. Its totient is φ = 2751263890.

The previous prime is 2751263861. The next prime is 2751263903. The reversal of 2751263891 is 1983621572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2751263891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2751263861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375631945 + 1375631946.

It is an arithmetic number, because the mean of its divisors is an integer number (1375631946).

Almost surely, 2^2751263891 is an apocalyptic number.

2751263891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751263891 is an equidigital number, since it uses as much as digits as its factorization.

2751263891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 2751263891 is about 52452.4917520607. The cubic root of 2751263891 is about 1401.2342671386.

The spelling of 2751263891 in words is "two billion, seven hundred fifty-one million, two hundred sixty-three thousand, eight hundred ninety-one".