2258636271361 has 2 divisors, whose sum is σ = 2258636271362. Its totient is φ = 2258636271360.

The previous prime is 2258636271349. The next prime is 2258636271377. The reversal of 2258636271361 is 1631726368522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440912144400 + 817724126961 = 1200380^2 + 904281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258636271361 - 2⁴¹ = 59613015809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2258636271299 and 2258636271308.

It is not a weakly prime, because it can be changed into another prime (2258636271061) 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, 1129318135680 + 1129318135681.

It is an arithmetic number, because the mean of its divisors is an integer number (1129318135681).

Almost surely, 2^{2258636271361} is an apocalyptic number.

It is an amenable number.

2258636271361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258636271361 is an equidigital number, since it uses as much as digits as its factorization.

2258636271361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 52.

The spelling of 2258636271361 in words is "two trillion, two hundred fifty-eight billion, six hundred thirty-six million, two hundred seventy-one thousand, three hundred sixty-one".