26896475826931 has 4 divisors (see below), whose sum is σ = 26900811876312. Its totient is φ = 26892139777552.

The previous prime is 26896475826919. The next prime is 26896475826953. The reversal of 26896475826931 is 13962857469862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26896475826931 - 2²¹ = 26896473729779 is a prime.

It is a super-2 number, since 2×26896475826931² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26896475827931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168015386 + ... + 2168027791.

It is an arithmetic number, because the mean of its divisors is an integer number (6725202969078).

Almost surely, 2^{26896475826931} is an apocalyptic number.

26896475826931 is a deficient number, since it is larger than the sum of its proper divisors (4336049381).

26896475826931 is an equidigital number, since it uses as much as digits as its factorization.

26896475826931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336049380.

The product of its digits is 1881169920, while the sum is 76.

The spelling of 26896475826931 in words is "twenty-six trillion, eight hundred ninety-six billion, four hundred seventy-five million, eight hundred twenty-six thousand, nine hundred thirty-one".