42334459 has 2 divisors, whose sum is σ = 42334460. Its totient is φ = 42334458.

The previous prime is 42334429. The next prime is 42334517. The reversal of 42334459 is 95443324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42334459 - 2⁹ = 42333947 is a prime.

It is equal to p_2566762 and since 42334459 and 2566762 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42334429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167229 + 21167230.

It is an arithmetic number, because the mean of its divisors is an integer number (21167230).

Almost surely, 2^42334459 is an apocalyptic number.

42334459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334459 is an equidigital number, since it uses as much as digits as its factorization.

42334459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 42334459 is about 6506.4936025481. The cubic root of 42334459 is about 348.5229152499.

The spelling of 42334459 in words is "forty-two million, three hundred thirty-four thousand, four hundred fifty-nine".