2731673046437 has 2 divisors, whose sum is σ = 2731673046438. Its totient is φ = 2731673046436.

The previous prime is 2731673046391. The next prime is 2731673046449. The reversal of 2731673046437 is 7346403761372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2720170698436 + 11502348001 = 1649294^2 + 107249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731673046437 - 2⁸ = 2731673046181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2731673046467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365836523218 + 1365836523219.

It is an arithmetic number, because the mean of its divisors is an integer number (1365836523219).

Almost surely, 2^{2731673046437} is an apocalyptic number.

It is an amenable number.

2731673046437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731673046437 is an equidigital number, since it uses as much as digits as its factorization.

2731673046437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 2731673046437 in words is "two trillion, seven hundred thirty-one billion, six hundred seventy-three million, forty-six thousand, four hundred thirty-seven".