2751738161 has 2 divisors, whose sum is σ = 2751738162. Its totient is φ = 2751738160.

The previous prime is 2751738091. The next prime is 2751738163. The reversal of 2751738161 is 1618371572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2570997025 + 180741136 = 50705^2 + 13444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751738161 - 2¹⁸ = 2751476017 is a prime.

It is a Sophie Germain prime.

Together with 2751738163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2751738163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375869080 + 1375869081.

It is an arithmetic number, because the mean of its divisors is an integer number (1375869081).

Almost surely, 2^2751738161 is an apocalyptic number.

It is an amenable number.

2751738161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751738161 is an equidigital number, since it uses as much as digits as its factorization.

2751738161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 2751738161 is about 52457.0125054792. The cubic root of 2751738161 is about 1401.3147786441.

The spelling of 2751738161 in words is "two billion, seven hundred fifty-one million, seven hundred thirty-eight thousand, one hundred sixty-one".