83683403091 has 12 divisors (see below), whose sum is σ = 127986381432. Its totient is φ = 52507233216.

The previous prime is 83683403071. The next prime is 83683403117. The reversal of 83683403091 is 19030438638.

83683403091 is a `hidden beast` number, since 83 + 6 + 83 + 403 + 0 + 91 = 666.

It is not a de Polignac number, because 83683403091 - 2³⁴ = 66503533907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83683403071) 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 11 ways as a sum of consecutive naturals, for example, 273475021 + ... + 273475326.

It is an arithmetic number, because the mean of its divisors is an integer number (10665531786).

Almost surely, 2^83683403091 is an apocalyptic number.

83683403091 is a deficient number, since it is larger than the sum of its proper divisors (44302978341).

83683403091 is a wasteful number, since it uses less digits than its factorization.

83683403091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546950370 (or 546950367 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 83683403091 in words is "eighty-three billion, six hundred eighty-three million, four hundred three thousand, ninety-one".