2164512751 has 2 divisors, whose sum is σ = 2164512752. Its totient is φ = 2164512750.

The previous prime is 2164512683. The next prime is 2164512769. The reversal of 2164512751 is 1572154612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2164512751 - 2⁹ = 2164512239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164518751) 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 as a sum of consecutive naturals, namely, 1082256375 + 1082256376.

It is an arithmetic number, because the mean of its divisors is an integer number (1082256376).

Almost surely, 2^2164512751 is an apocalyptic number.

2164512751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164512751 is an equidigital number, since it uses as much as digits as its factorization.

2164512751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 2164512751 is about 46524.3242938573. The cubic root of 2164512751 is about 1293.5604125685.

The spelling of 2164512751 in words is "two billion, one hundred sixty-four million, five hundred twelve thousand, seven hundred fifty-one".