27206692449 has 4 divisors (see below), whose sum is σ = 36275589936. Its totient is φ = 18137794964.

The previous prime is 27206692427. The next prime is 27206692453. The reversal of 27206692449 is 94429660272.

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 27206692449 - 2⁸ = 27206692193 is a prime.

It is a super-2 number, since 2×27206692449² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27206622449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4534448739 + ... + 4534448744.

It is an arithmetic number, because the mean of its divisors is an integer number (9068897484).

Almost surely, 2^27206692449 is an apocalyptic number.

It is an amenable number.

27206692449 is a deficient number, since it is larger than the sum of its proper divisors (9068897487).

27206692449 is an equidigital number, since it uses as much as digits as its factorization.

27206692449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068897486.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 27206692449 in words is "twenty-seven billion, two hundred six million, six hundred ninety-two thousand, four hundred forty-nine".