83454445438 has 32 divisors (see below), whose sum is σ = 155595222720. Its totient is φ = 32688057600.

The previous prime is 83454445423. The next prime is 83454445441.

83454445438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251623 + ... + 2288386.

It is an arithmetic number, because the mean of its divisors is an integer number (4862350710).

Almost surely, 2^83454445438 is an apocalyptic number.

83454445438 is a deficient number, since it is larger than the sum of its proper divisors (72140777282).

83454445438 is a wasteful number, since it uses less digits than its factorization.

83454445438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540132.

The product of its digits is 14745600, while the sum is 52.

The spelling of 83454445438 in words is "eighty-three billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred thirty-eight".