42847385343173 has 2 divisors, whose sum is σ = 42847385343174. Its totient is φ = 42847385343172.

The previous prime is 42847385343149. The next prime is 42847385343197. The reversal of 42847385343173 is 37134358374824.

It is a balanced prime because it is at equal distance from previous prime (42847385343149) and next prime (42847385343197).

It can be written as a sum of positive squares in only one way, i.e., 41372965281124 + 1474420062049 = 6432182^2 + 1214257^2 .

It is a cyclic number.

It is not a de Polignac number, because 42847385343173 - 2³⁶ = 42778665866437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42847385043173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423692671586 + 21423692671587.

It is an arithmetic number, because the mean of its divisors is an integer number (21423692671587).

Almost surely, 2^{42847385343173} is an apocalyptic number.

It is an amenable number.

42847385343173 is a deficient number, since it is larger than the sum of its proper divisors (1).

42847385343173 is an equidigital number, since it uses as much as digits as its factorization.

42847385343173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 62.

The spelling of 42847385343173 in words is "forty-two trillion, eight hundred forty-seven billion, three hundred eighty-five million, three hundred forty-three thousand, one hundred seventy-three".