27950271051 has 4 divisors (see below), whose sum is σ = 37267028072. Its totient is φ = 18633514032.

The previous prime is 27950271031. The next prime is 27950271077. The reversal of 27950271051 is 15017205972.

It is a happy number.

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

It is not a de Polignac number, because 27950271051 - 2⁶ = 27950270987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27950271031) 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, 4658378506 + ... + 4658378511.

It is an arithmetic number, because the mean of its divisors is an integer number (9316757018).

Almost surely, 2^27950271051 is an apocalyptic number.

27950271051 is a deficient number, since it is larger than the sum of its proper divisors (9316757021).

27950271051 is an equidigital number, since it uses as much as digits as its factorization.

27950271051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9316757020.

The product of its (nonzero) digits is 44100, while the sum is 39.

The spelling of 27950271051 in words is "twenty-seven billion, nine hundred fifty million, two hundred seventy-one thousand, fifty-one".