27249630135 has 96 divisors (see below), whose sum is σ = 54292428288. Its totient is φ = 11426987520.

The previous prime is 27249630131. The next prime is 27249630179. The reversal of 27249630135 is 53103694272.

It is not a de Polignac number, because 27249630135 - 2² = 27249630131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27249630131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2887725 + ... + 2897145.

It is an arithmetic number, because the mean of its divisors is an integer number (565546128).

Almost surely, 2^27249630135 is an apocalyptic number.

27249630135 is a deficient number, since it is larger than the sum of its proper divisors (27042798153).

27249630135 is a wasteful number, since it uses less digits than its factorization.

27249630135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625 (or 9612 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 27249630135 in words is "twenty-seven billion, two hundred forty-nine million, six hundred thirty thousand, one hundred thirty-five".