27625632849553 has 2 divisors, whose sum is σ = 27625632849554. Its totient is φ = 27625632849552.

The previous prime is 27625632849461. The next prime is 27625632849791. The reversal of 27625632849553 is 35594823652672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14321471434384 + 13304161415169 = 3784372^2 + 3647487^2 .

It is a cyclic number.

It is not a de Polignac number, because 27625632849553 - 2³³ = 27617042914961 is a prime.

It is not a weakly prime, because it can be changed into another prime (27625632849053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13812816424776 + 13812816424777.

It is an arithmetic number, because the mean of its divisors is an integer number (13812816424777).

Almost surely, 2^{27625632849553} is an apocalyptic number.

It is an amenable number.

27625632849553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27625632849553 is an equidigital number, since it uses as much as digits as its factorization.

27625632849553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184000, while the sum is 67.

The spelling of 27625632849553 in words is "twenty-seven trillion, six hundred twenty-five billion, six hundred thirty-two million, eight hundred forty-nine thousand, five hundred fifty-three".