27256423533 has 16 divisors (see below), whose sum is σ = 38511384000. Its totient is φ = 17099043840.

The previous prime is 27256423511. The next prime is 27256423549. The reversal of 27256423533 is 33532465272.

It is a happy number.

It is not a de Polignac number, because 27256423533 - 2⁹ = 27256423021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27256423573) 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, 1596148 + ... + 1613133.

It is an arithmetic number, because the mean of its divisors is an integer number (2406961500).

Almost surely, 2^27256423533 is an apocalyptic number.

It is an amenable number.

27256423533 is a deficient number, since it is larger than the sum of its proper divisors (11254960467).

27256423533 is a wasteful number, since it uses less digits than its factorization.

27256423533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209452.

The product of its digits is 907200, while the sum is 42.

The spelling of 27256423533 in words is "twenty-seven billion, two hundred fifty-six million, four hundred twenty-three thousand, five hundred thirty-three".