2158894934227 has 2 divisors, whose sum is σ = 2158894934228. Its totient is φ = 2158894934226.

The previous prime is 2158894934179. The next prime is 2158894934267. The reversal of 2158894934227 is 7224394988512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2158894934227 - 2¹¹ = 2158894932179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2158894934267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079447467113 + 1079447467114.

It is an arithmetic number, because the mean of its divisors is an integer number (1079447467114).

Almost surely, 2^{2158894934227} is an apocalyptic number.

2158894934227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158894934227 is an equidigital number, since it uses as much as digits as its factorization.

2158894934227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 64.

The spelling of 2158894934227 in words is "two trillion, one hundred fifty-eight billion, eight hundred ninety-four million, nine hundred thirty-four thousand, two hundred twenty-seven".