83763396593 has 4 divisors (see below), whose sum is σ = 85806406308. Its totient is φ = 81720386880.

The previous prime is 83763396589. The next prime is 83763396709. The reversal of 83763396593 is 39569336738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39569336738 = 2 ⋅19784668369.

It can be written as a sum of positive squares in 2 ways, for example, as 8962787584 + 74800609009 = 94672^2 + 273497^2 .

It is a cyclic number.

It is not a de Polignac number, because 83763396593 - 2² = 83763396589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83763396553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021504796 + ... + 1021504877.

It is an arithmetic number, because the mean of its divisors is an integer number (21451601577).

Almost surely, 2^83763396593 is an apocalyptic number.

It is an amenable number.

83763396593 is a deficient number, since it is larger than the sum of its proper divisors (2043009715).

83763396593 is a wasteful number, since it uses less digits than its factorization.

83763396593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043009714.

The product of its digits is 66134880, while the sum is 62.

The spelling of 83763396593 in words is "eighty-three billion, seven hundred sixty-three million, three hundred ninety-six thousand, five hundred ninety-three".