42449113 has 4 divisors (see below), whose sum is σ = 48513280. Its totient is φ = 36384948.

The previous prime is 42449111. The next prime is 42449117. The reversal of 42449113 is 31194424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42449113 - 2¹ = 42449111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42449111) 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, 3032073 + ... + 3032086.

It is an arithmetic number, because the mean of its divisors is an integer number (12128320).

Almost surely, 2^42449113 is an apocalyptic number.

It is an amenable number.

42449113 is a deficient number, since it is larger than the sum of its proper divisors (6064167).

42449113 is an equidigital number, since it uses as much as digits as its factorization.

42449113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064166.

The product of its digits is 3456, while the sum is 28.

The square root of 42449113 is about 6515.2983815018. The cubic root of 42449113 is about 348.8372653675.

The spelling of 42449113 in words is "forty-two million, four hundred forty-nine thousand, one hundred thirteen".