27458255848691 has 2 divisors, whose sum is σ = 27458255848692. Its totient is φ = 27458255848690.

The previous prime is 27458255848663. The next prime is 27458255848847. The reversal of 27458255848691 is 19684855285472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27458255848691 - 2⁶ = 27458255848627 is a prime.

It is not a weakly prime, because it can be changed into another prime (27458255848091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13729127924345 + 13729127924346.

It is an arithmetic number, because the mean of its divisors is an integer number (13729127924346).

Almost surely, 2^{27458255848691} is an apocalyptic number.

27458255848691 is a deficient number, since it is larger than the sum of its proper divisors (1).

27458255848691 is an equidigital number, since it uses as much as digits as its factorization.

27458255848691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288000, while the sum is 74.

The spelling of 27458255848691 in words is "twenty-seven trillion, four hundred fifty-eight billion, two hundred fifty-five million, eight hundred forty-eight thousand, six hundred ninety-one".