26749727137 has 32 divisors (see below), whose sum is σ = 33192232704. Its totient is φ = 21037363200.

The previous prime is 26749727093. The next prime is 26749727177. The reversal of 26749727137 is 73172794762.

It is not a de Polignac number, because 26749727137 - 2⁷ = 26749727009 is a prime.

It is a super-3 number, since 3×26749727137³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26749727177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803962 + ... + 836572.

It is an arithmetic number, because the mean of its divisors is an integer number (1037257272).

Almost surely, 2^26749727137 is an apocalyptic number.

It is an amenable number.

26749727137 is a deficient number, since it is larger than the sum of its proper divisors (6442505567).

26749727137 is a wasteful number, since it uses less digits than its factorization.

26749727137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32809.

The product of its digits is 6223392, while the sum is 55.

The spelling of 26749727137 in words is "twenty-six billion, seven hundred forty-nine million, seven hundred twenty-seven thousand, one hundred thirty-seven".