27245529907 has 2 divisors, whose sum is σ = 27245529908. Its totient is φ = 27245529906.

The previous prime is 27245529881. The next prime is 27245529943. The reversal of 27245529907 is 70992554272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27245529907 is a prime.

It is not a weakly prime, because it can be changed into another prime (27245529977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13622764953 + 13622764954.

It is an arithmetic number, because the mean of its divisors is an integer number (13622764954).

Almost surely, 2^27245529907 is an apocalyptic number.

27245529907 is a deficient number, since it is larger than the sum of its proper divisors (1).

27245529907 is an equidigital number, since it uses as much as digits as its factorization.

27245529907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 27245529907 in words is "twenty-seven billion, two hundred forty-five million, five hundred twenty-nine thousand, nine hundred seven".