83144489441 has 16 divisors (see below), whose sum is σ = 89884585728. Its totient is φ = 76453977600.

The previous prime is 83144489419. The next prime is 83144489447. The reversal of 83144489441 is 14498444138.

It is not a de Polignac number, because 83144489441 - 2¹⁰ = 83144488417 is a prime.

It is a super-2 number, since 2×83144489441² (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 83144489441.

It is not an unprimeable number, because it can be changed into a prime (83144489447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5702801 + ... + 5717361.

It is an arithmetic number, because the mean of its divisors is an integer number (5617786608).

Almost surely, 2^83144489441 is an apocalyptic number.

It is an amenable number.

83144489441 is a deficient number, since it is larger than the sum of its proper divisors (6740096287).

83144489441 is a wasteful number, since it uses less digits than its factorization.

83144489441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232.

The product of its digits is 1769472, while the sum is 50.

The spelling of 83144489441 in words is "eighty-three billion, one hundred forty-four million, four hundred eighty-nine thousand, four hundred forty-one".