27143431996 has 24 divisors (see below), whose sum is σ = 50008790160. Its totient is φ = 12855427200.

The previous prime is 27143431993. The next prime is 27143432003. The reversal of 27143431996 is 69913434172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143431993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544686 + ... + 592426.

It is an arithmetic number, because the mean of its divisors is an integer number (2083699590).

Almost surely, 2^27143431996 is an apocalyptic number.

It is an amenable number.

27143431996 is a deficient number, since it is larger than the sum of its proper divisors (22865358164).

27143431996 is a wasteful number, since it uses less digits than its factorization.

27143431996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55245 (or 55243 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The spelling of 27143431996 in words is "twenty-seven billion, one hundred forty-three million, four hundred thirty-one thousand, nine hundred ninety-six".