27574006949 has 4 divisors (see below), whose sum is σ = 27578019936. Its totient is φ = 27569993964.

The previous prime is 27574006907. The next prime is 27574006991. The reversal of 27574006949 is 94960047572.

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 an interprime number because it is at equal distance from previous prime (27574006907) and next prime (27574006991).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27574006949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27574006949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27574006049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996169 + ... + 2009934.

It is an arithmetic number, because the mean of its divisors is an integer number (6894504984).

Almost surely, 2^27574006949 is an apocalyptic number.

It is an amenable number.

27574006949 is a deficient number, since it is larger than the sum of its proper divisors (4012987).

27574006949 is an equidigital number, since it uses as much as digits as its factorization.

27574006949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012986.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 27574006949 in words is "twenty-seven billion, five hundred seventy-four million, six thousand, nine hundred forty-nine".