27294950047 has 4 divisors (see below), whose sum is σ = 27432110800. Its totient is φ = 27157789296.

The previous prime is 27294949963. The next prime is 27294950051. The reversal of 27294950047 is 74005949272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27294950047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27294950447) 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, 68580078 + ... + 68580475.

It is an arithmetic number, because the mean of its divisors is an integer number (6858027700).

Almost surely, 2^27294950047 is an apocalyptic number.

27294950047 is a deficient number, since it is larger than the sum of its proper divisors (137160753).

27294950047 is a wasteful number, since it uses less digits than its factorization.

27294950047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137160752.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 27294950047 in words is "twenty-seven billion, two hundred ninety-four million, nine hundred fifty thousand, forty-seven".