2918251157 has 2 divisors, whose sum is σ = 2918251158. Its totient is φ = 2918251156.

The previous prime is 2918251081. The next prime is 2918251177. The reversal of 2918251157 is 7511528192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1629010321 + 1289240836 = 40361^2 + 35906^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918251157 - 2⁸ = 2918250901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918251177) 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, 1459125578 + 1459125579.

It is an arithmetic number, because the mean of its divisors is an integer number (1459125579).

Almost surely, 2^2918251157 is an apocalyptic number.

It is an amenable number.

2918251157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918251157 is an equidigital number, since it uses as much as digits as its factorization.

2918251157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 41.

The square root of 2918251157 is about 54020.8400249385. The cubic root of 2918251157 is about 1429.0284951052.

The spelling of 2918251157 in words is "two billion, nine hundred eighteen million, two hundred fifty-one thousand, one hundred fifty-seven".