83542188841 has 2 divisors, whose sum is σ = 83542188842. Its totient is φ = 83542188840.

The previous prime is 83542188811. The next prime is 83542188913. The reversal of 83542188841 is 14888124538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73316934441 + 10225254400 = 270771^2 + 101120^2 .

It is a cyclic number.

It is not a de Polignac number, because 83542188841 - 2⁹ = 83542188329 is a prime.

It is not a weakly prime, because it can be changed into another prime (83542188811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41771094420 + 41771094421.

It is an arithmetic number, because the mean of its divisors is an integer number (41771094421).

Almost surely, 2^83542188841 is an apocalyptic number.

It is an amenable number.

83542188841 is a deficient number, since it is larger than the sum of its proper divisors (1).

83542188841 is an equidigital number, since it uses as much as digits as its factorization.

83542188841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1966080, while the sum is 52.

The spelling of 83542188841 in words is "eighty-three billion, five hundred forty-two million, one hundred eighty-eight thousand, eight hundred forty-one".