27231258913 has 16 divisors (see below), whose sum is σ = 28228790656. Its totient is φ = 26252553600.

The previous prime is 27231258829. The next prime is 27231258973. The reversal of 27231258913 is 31985213272.

It is a cyclic number.

It is not a de Polignac number, because 27231258913 - 2¹³ = 27231250721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27231258913.

It is not an unprimeable number, because it can be changed into a prime (27231258973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006045 + ... + 1032757.

It is an arithmetic number, because the mean of its divisors is an integer number (1764299416).

Almost surely, 2^27231258913 is an apocalyptic number.

It is an amenable number.

27231258913 is a deficient number, since it is larger than the sum of its proper divisors (997531743).

27231258913 is a wasteful number, since it uses less digits than its factorization.

27231258913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27064.

The product of its digits is 181440, while the sum is 43.

The spelling of 27231258913 in words is "twenty-seven billion, two hundred thirty-one million, two hundred fifty-eight thousand, nine hundred thirteen".