26927149137 has 16 divisors (see below), whose sum is σ = 41438105472. Its totient is φ = 15234595200.

The previous prime is 26927149129. The next prime is 26927149157. The reversal of 26927149137 is 73194172962.

It is a happy number.

It is not a de Polignac number, because 26927149137 - 2³ = 26927149129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26927149137.

It is not an unprimeable number, because it can be changed into a prime (26927149127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6345628 + ... + 6349869.

It is an arithmetic number, because the mean of its divisors is an integer number (2589881592).

Almost surely, 2^26927149137 is an apocalyptic number.

It is an amenable number.

26927149137 is a deficient number, since it is larger than the sum of its proper divisors (14510956335).

26927149137 is a wasteful number, since it uses less digits than its factorization.

26927149137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695608.

The product of its digits is 1143072, while the sum is 51.

The spelling of 26927149137 in words is "twenty-six billion, nine hundred twenty-seven million, one hundred forty-nine thousand, one hundred thirty-seven".