83842729141 has 2 divisors, whose sum is σ = 83842729142. Its totient is φ = 83842729140.

The previous prime is 83842729121. The next prime is 83842729171. The reversal of 83842729141 is 14192724838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64137588516 + 19705140625 = 253254^2 + 140375^2 .

It is a cyclic number.

It is not a de Polignac number, because 83842729141 - 2²¹ = 83840631989 is a prime.

It is a super-2 number, since 2×83842729141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83842729121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41921364570 + 41921364571.

It is an arithmetic number, because the mean of its divisors is an integer number (41921364571).

Almost surely, 2^83842729141 is an apocalyptic number.

It is an amenable number.

83842729141 is a deficient number, since it is larger than the sum of its proper divisors (1).

83842729141 is an equidigital number, since it uses as much as digits as its factorization.

83842729141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 49.

The spelling of 83842729141 in words is "eighty-three billion, eight hundred forty-two million, seven hundred twenty-nine thousand, one hundred forty-one".