27749096269 has 4 divisors (see below), whose sum is σ = 29209575040. Its totient is φ = 26288617500.

The previous prime is 27749096213. The next prime is 27749096317. The reversal of 27749096269 is 96269094772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27749096269 - 2¹⁷ = 27748965197 is a prime.

It is a super-2 number, since 2×27749096269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27749066269) 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, 730239357 + ... + 730239394.

It is an arithmetic number, because the mean of its divisors is an integer number (7302393760).

Almost surely, 2^27749096269 is an apocalyptic number.

It is an amenable number.

27749096269 is a deficient number, since it is larger than the sum of its proper divisors (1460478771).

27749096269 is a wasteful number, since it uses less digits than its factorization.

27749096269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460478770.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 27749096269 in words is "twenty-seven billion, seven hundred forty-nine million, ninety-six thousand, two hundred sixty-nine".