2638425087227 has 2 divisors, whose sum is σ = 2638425087228. Its totient is φ = 2638425087226.

The previous prime is 2638425087169. The next prime is 2638425087253. The reversal of 2638425087227 is 7227805248362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2638425087227 - 2⁶ = 2638425087163 is a prime.

It is a super-2 number, since 2×2638425087227² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2638425047227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319212543613 + 1319212543614.

It is an arithmetic number, because the mean of its divisors is an integer number (1319212543614).

Almost surely, 2^{2638425087227} is an apocalyptic number.

2638425087227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638425087227 is an equidigital number, since it uses as much as digits as its factorization.

2638425087227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 2638425087227 in words is "two trillion, six hundred thirty-eight billion, four hundred twenty-five million, eighty-seven thousand, two hundred twenty-seven".