27061438263 has 16 divisors (see below), whose sum is σ = 36197669376. Its totient is φ = 17983131840.

The previous prime is 27061438231. The next prime is 27061438267. The reversal of 27061438263 is 36283416072.

It is not a de Polignac number, because 27061438263 - 2⁵ = 27061438231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27061438267) 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, 2949403 + ... + 2958563.

It is an arithmetic number, because the mean of its divisors is an integer number (2262354336).

Almost surely, 2^27061438263 is an apocalyptic number.

27061438263 is a deficient number, since it is larger than the sum of its proper divisors (9136231113).

27061438263 is a wasteful number, since it uses less digits than its factorization.

27061438263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 27061438263 in words is "twenty-seven billion, sixty-one million, four hundred thirty-eight thousand, two hundred sixty-three".