83143851043 has 4 divisors (see below), whose sum is σ = 90702382968. Its totient is φ = 75585319120.

The previous prime is 83143851019. The next prime is 83143851047. The reversal of 83143851043 is 34015834138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83143851043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83143850987 and 83143851005.

It is not an unprimeable number, because it can be changed into a prime (83143851047) 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, 3779265946 + ... + 3779265967.

It is an arithmetic number, because the mean of its divisors is an integer number (22675595742).

Almost surely, 2^83143851043 is an apocalyptic number.

83143851043 is a deficient number, since it is larger than the sum of its proper divisors (7558531925).

83143851043 is a wasteful number, since it uses less digits than its factorization.

83143851043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558531924.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 83143851043 in words is "eighty-three billion, one hundred forty-three million, eight hundred fifty-one thousand, forty-three".