83546281061 has 2 divisors, whose sum is σ = 83546281062. Its totient is φ = 83546281060.

The previous prime is 83546281043. The next prime is 83546281109. The reversal of 83546281061 is 16018264538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67084108036 + 16462173025 = 259006^2 + 128305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83546281061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83546281031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41773140530 + 41773140531.

It is an arithmetic number, because the mean of its divisors is an integer number (41773140531).

Almost surely, 2^83546281061 is an apocalyptic number.

It is an amenable number.

83546281061 is a deficient number, since it is larger than the sum of its proper divisors (1).

83546281061 is an equidigital number, since it uses as much as digits as its factorization.

83546281061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 83546281061 in words is "eighty-three billion, five hundred forty-six million, two hundred eighty-one thousand, sixty-one".