83433982631 has 4 divisors (see below), whose sum is σ = 84371443200. Its totient is φ = 82496522064.

The previous prime is 83433982601. The next prime is 83433982651. The reversal of 83433982631 is 13628933438.

It is a happy number.

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-83433982631 is a prime.

It is a super-2 number, since 2×83433982631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83433982631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83433982601) 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, 468730151 + ... + 468730328.

It is an arithmetic number, because the mean of its divisors is an integer number (21092860800).

Almost surely, 2^83433982631 is an apocalyptic number.

83433982631 is a deficient number, since it is larger than the sum of its proper divisors (937460569).

83433982631 is an equidigital number, since it uses as much as digits as its factorization.

83433982631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937460568.

The product of its digits is 2239488, while the sum is 50.

The spelling of 83433982631 in words is "eighty-three billion, four hundred thirty-three million, nine hundred eighty-two thousand, six hundred thirty-one".