11434441983 has 4 divisors (see below), whose sum is σ = 15245922648. Its totient is φ = 7622961320.

The previous prime is 11434441981. The next prime is 11434442021. The reversal of 11434441983 is 38914443411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11434441983 - 2¹ = 11434441981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434441981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905740328 + ... + 1905740333.

It is an arithmetic number, because the mean of its divisors is an integer number (3811480662).

Almost surely, 2^11434441983 is an apocalyptic number.

11434441983 is a deficient number, since it is larger than the sum of its proper divisors (3811480665).

11434441983 is an equidigital number, since it uses as much as digits as its factorization.

11434441983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811480664.

The product of its digits is 165888, while the sum is 42.

The spelling of 11434441983 in words is "eleven billion, four hundred thirty-four million, four hundred forty-one thousand, nine hundred eighty-three".