42613439 has 8 divisors (see below), whose sum is σ = 46828368. Its totient is φ = 38455360.

The previous prime is 42613433. The next prime is 42613451. The reversal of 42613439 is 93431624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42613439 - 2²⁰ = 41564863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42613433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12632 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (5853546).

Almost surely, 2^42613439 is an apocalyptic number.

42613439 is a deficient number, since it is larger than the sum of its proper divisors (4214929).

42613439 is a wasteful number, since it uses less digits than its factorization.

42613439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28425.

The product of its digits is 15552, while the sum is 32.

The square root of 42613439 is about 6527.8969814175. The cubic root of 42613439 is about 349.2868171469.

The spelling of 42613439 in words is "forty-two million, six hundred thirteen thousand, four hundred thirty-nine".