113443989842 has 4 divisors (see below), whose sum is σ = 170165984766. Its totient is φ = 56721994920.

The previous prime is 113443989839. The next prime is 113443989913. The reversal of 113443989842 is 248989344311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248989344311 = 29 ⋅8585839459.

It can be written as a sum of positive squares in only one way, i.e., 101136084361 + 12307905481 = 318019^2 + 110941^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28360997459 + ... + 28360997462.

Almost surely, 2^113443989842 is an apocalyptic number.

113443989842 is a deficient number, since it is larger than the sum of its proper divisors (56721994924).

113443989842 is an equidigital number, since it uses as much as digits as its factorization.

113443989842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56721994923.

The product of its digits is 5971968, while the sum is 56.

The spelling of 113443989842 in words is "one hundred thirteen billion, four hundred forty-three million, nine hundred eighty-nine thousand, eight hundred forty-two".