27207962849 has 4 divisors (see below), whose sum is σ = 27208726980. Its totient is φ = 27207198720.

The previous prime is 27207962843. The next prime is 27207962917. The reversal of 27207962849 is 94826970272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17175937249 + 10032025600 = 131057^2 + 100160^2 .

It is a cyclic number.

It is not a de Polignac number, because 27207962849 - 2²⁸ = 26939527393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27207962794 and 27207962803.

It is not an unprimeable number, because it can be changed into a prime (27207962843) 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, 325904 + ... + 400785.

It is an arithmetic number, because the mean of its divisors is an integer number (6802181745).

Almost surely, 2^27207962849 is an apocalyptic number.

It is an amenable number.

27207962849 is a deficient number, since it is larger than the sum of its proper divisors (764131).

27207962849 is an equidigital number, since it uses as much as digits as its factorization.

27207962849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764130.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 27207962849 in words is "twenty-seven billion, two hundred seven million, nine hundred sixty-two thousand, eight hundred forty-nine".