27930441193 has 16 divisors (see below), whose sum is σ = 31113515664. Its totient is φ = 24953149440.

The previous prime is 27930441181. The next prime is 27930441197. The reversal of 27930441193 is 39114403972.

It can be written as a sum of positive squares in 8 ways, for example, as 23736384 + 27906704809 = 4872^2 + 167053^2 .

It is not a de Polignac number, because 27930441193 - 2²⁵ = 27896886761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27930441197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515730 + ... + 567307.

It is an arithmetic number, because the mean of its divisors is an integer number (1944594729).

Almost surely, 2^27930441193 is an apocalyptic number.

It is an amenable number.

27930441193 is a deficient number, since it is larger than the sum of its proper divisors (3183074471).

27930441193 is a wasteful number, since it uses less digits than its factorization.

27930441193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083132.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 27930441193 in words is "twenty-seven billion, nine hundred thirty million, four hundred forty-one thousand, one hundred ninety-three".