26985792213 has 6 divisors (see below), whose sum is σ = 38979477654. Its totient is φ = 17990528136.

The previous prime is 26985792203. The next prime is 26985792233. The reversal of 26985792213 is 31229758962.

26985792213 is a `hidden beast` number, since 2 + 69 + 8 + 579 + 2 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23179149009 + 3806643204 = 152247^2 + 61698^2 .

It is not a de Polignac number, because 26985792213 - 2⁵ = 26985792181 is a prime.

It is a super-2 number, since 2×26985792213² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26985792213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26985792203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499210670 + ... + 1499210687.

It is an arithmetic number, because the mean of its divisors is an integer number (6496579609).

Almost surely, 2^26985792213 is an apocalyptic number.

It is an amenable number.

26985792213 is a deficient number, since it is larger than the sum of its proper divisors (11993685441).

26985792213 is a wasteful number, since it uses less digits than its factorization.

26985792213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998421363 (or 2998421360 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 26985792213 in words is "twenty-six billion, nine hundred eighty-five million, seven hundred ninety-two thousand, two hundred thirteen".