83194675493 has 2 divisors, whose sum is σ = 83194675494. Its totient is φ = 83194675492.

The previous prime is 83194675483. The next prime is 83194675537. The reversal of 83194675493 is 39457649138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79376300644 + 3818374849 = 281738^2 + 61793^2 .

It is a cyclic number.

It is not a de Polignac number, because 83194675493 - 2¹² = 83194671397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83194675433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41597337746 + 41597337747.

It is an arithmetic number, because the mean of its divisors is an integer number (41597337747).

Almost surely, 2^83194675493 is an apocalyptic number.

It is an amenable number.

83194675493 is a deficient number, since it is larger than the sum of its proper divisors (1).

83194675493 is an equidigital number, since it uses as much as digits as its factorization.

83194675493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The spelling of 83194675493 in words is "eighty-three billion, one hundred ninety-four million, six hundred seventy-five thousand, four hundred ninety-three".