27625632849791 has 2 divisors, whose sum is σ = 27625632849792. Its totient is φ = 27625632849790.

The previous prime is 27625632849553. The next prime is 27625632849799. The reversal of 27625632849791 is 19794823652672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27625632849791 - 2¹⁰ = 27625632848767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27625632849799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13812816424895 + 13812816424896.

It is an arithmetic number, because the mean of its divisors is an integer number (13812816424896).

Almost surely, 2^{27625632849791} is an apocalyptic number.

27625632849791 is a deficient number, since it is larger than the sum of its proper divisors (1).

27625632849791 is an equidigital number, since it uses as much as digits as its factorization.

27625632849791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 548674560, while the sum is 71.

The spelling of 27625632849791 in words is "twenty-seven trillion, six hundred twenty-five billion, six hundred thirty-two million, eight hundred forty-nine thousand, seven hundred ninety-one".