2634512255689 has 2 divisors, whose sum is σ = 2634512255690. Its totient is φ = 2634512255688.

The previous prime is 2634512255657. The next prime is 2634512255707. The reversal of 2634512255689 is 9865522154362.

2634512255689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2612167088400 + 22345167289 = 1616220^2 + 149483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634512255689 - 2⁵ = 2634512255657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2634512255629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317256127844 + 1317256127845.

It is an arithmetic number, because the mean of its divisors is an integer number (1317256127845).

Almost surely, 2^{2634512255689} is an apocalyptic number.

It is an amenable number.

2634512255689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634512255689 is an equidigital number, since it uses as much as digits as its factorization.

2634512255689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104000, while the sum is 58.

The spelling of 2634512255689 in words is "two trillion, six hundred thirty-four billion, five hundred twelve million, two hundred fifty-five thousand, six hundred eighty-nine".