26933076769 has 3 divisors (see below), whose sum is σ = 26933240883. Its totient is φ = 26932912656.

The previous prime is 26933076719. The next prime is 26933076773. The reversal of 26933076769 is 96767033962.

The square root of 26933076769 is 164113.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 16709440225 + 10223636544 = 129265^2 + 101112^2 .

It is not a de Polignac number, because 26933076769 - 2⁹ = 26933076257 is a prime.

It is a super-2 number, since 2×26933076769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26933076719) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 82057 + ... + 246169.

It is an arithmetic number, because the mean of its divisors is an integer number (8977746961).

Almost surely, 2^26933076769 is an apocalyptic number.

26933076769 is the 164113-rd square number.

26933076769 is the 82057-th centered octagonal number.

It is an amenable number.

26933076769 is a deficient number, since it is larger than the sum of its proper divisors (164114).

26933076769 is an frugal number, since it uses more digits than its factorization.

26933076769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328226 (or 164113 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 58.

The spelling of 26933076769 in words is "twenty-six billion, nine hundred thirty-three million, seventy-six thousand, seven hundred sixty-nine".