83105303993 has 4 divisors (see below), whose sum is σ = 83129277840. Its totient is φ = 83081330148.

The previous prime is 83105303977. The next prime is 83105303999. The reversal of 83105303993 is 39930350138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83105303993 - 2⁴ = 83105303977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83105303999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11981723 + ... + 11988656.

It is an arithmetic number, because the mean of its divisors is an integer number (20782319460).

Almost surely, 2^83105303993 is an apocalyptic number.

It is an amenable number.

83105303993 is a deficient number, since it is larger than the sum of its proper divisors (23973847).

83105303993 is a wasteful number, since it uses less digits than its factorization.

83105303993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23973846.

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 83105303993 in words is "eighty-three billion, one hundred five million, three hundred three thousand, nine hundred ninety-three".