2731673046438 has 96 divisors (see below), whose sum is σ = 7383859741440. Its totient is φ = 739400205600.

The previous prime is 2731673046437. The next prime is 2731673046449. The reversal of 2731673046438 is 8346403761372.

2731673046438 is a `hidden beast` number, since 2 + 7 + 3 + 167 + 3 + 0 + 46 + 438 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731673046437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21065913 + ... + 21195188.

It is an arithmetic number, because the mean of its divisors is an integer number (76915205640).

Almost surely, 2^{2731673046438} is an apocalyptic number.

2731673046438 is an abundant number, since it is smaller than the sum of its proper divisors (4652186695002).

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

2731673046438 is a wasteful number, since it uses less digits than its factorization.

2731673046438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42261144 (or 42261132 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 2731673046438 in words is "two trillion, seven hundred thirty-one billion, six hundred seventy-three million, forty-six thousand, four hundred thirty-eight".