2158214850079 has 2 divisors, whose sum is σ = 2158214850080. Its totient is φ = 2158214850078.

The previous prime is 2158214850037. The next prime is 2158214850097. The reversal of 2158214850079 is 9700584128512.

Together with next prime (2158214850097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2158214850079 - 2³⁵ = 2123855111711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158214890079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079107425039 + 1079107425040.

It is an arithmetic number, because the mean of its divisors is an integer number (1079107425040).

Almost surely, 2^{2158214850079} is an apocalyptic number.

2158214850079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158214850079 is an equidigital number, since it uses as much as digits as its factorization.

2158214850079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 2158214850079 in words is "two trillion, one hundred fifty-eight billion, two hundred fourteen million, eight hundred fifty thousand, seventy-nine".