2731273163740 has 48 divisors (see below), whose sum is σ = 6257211254784. Its totient is φ = 993172347200.

The previous prime is 2731273163711. The next prime is 2731273163753. The reversal of 2731273163740 is 473613721372.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22421277 + ... + 22542763.

It is an arithmetic number, because the mean of its divisors is an integer number (130358567808).

Almost surely, 2^{2731273163740} is an apocalyptic number.

2731273163740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731273163740 is an abundant number, since it is smaller than the sum of its proper divisors (3525938091044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731273163740 is a wasteful number, since it uses less digits than its factorization.

2731273163740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223698 (or 223696 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 2731273163740 in words is "two trillion, seven hundred thirty-one billion, two hundred seventy-three million, one hundred sixty-three thousand, seven hundred forty".