83718645005731 has 2 divisors, whose sum is σ = 83718645005732. Its totient is φ = 83718645005730.

The previous prime is 83718645005701. The next prime is 83718645005833. The reversal of 83718645005731 is 13750054681738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83718645005731 - 2¹³ = 83718644997539 is a prime.

It is a super-2 number, since 2×83718645005731² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83718645005701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41859322502865 + 41859322502866.

It is an arithmetic number, because the mean of its divisors is an integer number (41859322502866).

Almost surely, 2^{83718645005731} is an apocalyptic number.

83718645005731 is a deficient number, since it is larger than the sum of its proper divisors (1).

83718645005731 is an equidigital number, since it uses as much as digits as its factorization.

83718645005731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 83718645005731 in words is "eighty-three trillion, seven hundred eighteen billion, six hundred forty-five million, five thousand, seven hundred thirty-one".