2591095545937 has 2 divisors, whose sum is σ = 2591095545938. Its totient is φ = 2591095545936.

The previous prime is 2591095545923. The next prime is 2591095545977. The reversal of 2591095545937 is 7395455901952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1956764536336 + 634331009601 = 1398844^2 + 796449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2591095545937 - 2⁷ = 2591095545809 is a prime.

It is a super-2 number, since 2×2591095545937² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2591095545977) 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, 1295547772968 + 1295547772969.

It is an arithmetic number, because the mean of its divisors is an integer number (1295547772969).

Almost surely, 2^{2591095545937} is an apocalyptic number.

It is an amenable number.

2591095545937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591095545937 is an equidigital number, since it uses as much as digits as its factorization.

2591095545937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545000, while the sum is 64.

The spelling of 2591095545937 in words is "two trillion, five hundred ninety-one billion, ninety-five million, five hundred forty-five thousand, nine hundred thirty-seven".