83512199073 has 4 divisors (see below), whose sum is σ = 111349598768. Its totient is φ = 55674799380.

The previous prime is 83512199063. The next prime is 83512199167. The reversal of 83512199073 is 37099121538.

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 not a de Polignac number, because 83512199073 - 2⁸ = 83512198817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83512199063) 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 in 3 ways as a sum of consecutive naturals, for example, 13918699843 + ... + 13918699848.

It is an arithmetic number, because the mean of its divisors is an integer number (27837399692).

Almost surely, 2^83512199073 is an apocalyptic number.

It is an amenable number.

83512199073 is a deficient number, since it is larger than the sum of its proper divisors (27837399695).

83512199073 is a wasteful number, since it uses less digits than its factorization.

83512199073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27837399694.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 83512199073 in words is "eighty-three billion, five hundred twelve million, one hundred ninety-nine thousand, seventy-three".