2165134458037 has 2 divisors, whose sum is σ = 2165134458038. Its totient is φ = 2165134458036.

The previous prime is 2165134458017. The next prime is 2165134458083. The reversal of 2165134458037 is 7308544315612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823974498116 + 341159959921 = 1350546^2 + 584089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2165134458037 - 2²³ = 2165126069429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165134458017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082567229018 + 1082567229019.

It is an arithmetic number, because the mean of its divisors is an integer number (1082567229019).

Almost surely, 2^{2165134458037} is an apocalyptic number.

It is an amenable number.

2165134458037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165134458037 is an equidigital number, since it uses as much as digits as its factorization.

2165134458037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 2165134458037 in words is "two trillion, one hundred sixty-five billion, one hundred thirty-four million, four hundred fifty-eight thousand, thirty-seven".