27483943993 has 12 divisors (see below), whose sum is σ = 30779624484. Its totient is φ = 24513975200.

The previous prime is 27483943987. The next prime is 27483943997. The reversal of 27483943993 is 39934938472.

It can be written as a sum of positive squares in 2 ways, for example, as 24892319529 + 2591624464 = 157773^2 + 50908^2 .

It is not a de Polignac number, because 27483943993 - 2³³ = 18894009401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27483943997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2136418 + ... + 2149243.

It is an arithmetic number, because the mean of its divisors is an integer number (2564968707).

Almost surely, 2^27483943993 is an apocalyptic number.

It is an amenable number.

27483943993 is a deficient number, since it is larger than the sum of its proper divisors (3295680491).

27483943993 is a wasteful number, since it uses less digits than its factorization.

27483943993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285736 (or 4285725 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 61.

The spelling of 27483943993 in words is "twenty-seven billion, four hundred eighty-three million, nine hundred forty-three thousand, nine hundred ninety-three".