42434963 has 4 divisors (see below), whose sum is σ = 42454680. Its totient is φ = 42415248.

The previous prime is 42434921. The next prime is 42434969. The reversal of 42434963 is 36943424.

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 42434963 - 2¹⁰ = 42433939 is a prime.

It is a super-2 number, since 2×42434963² = 3601452169622738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42434969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (10613670).

Almost surely, 2^42434963 is an apocalyptic number.

42434963 is a deficient number, since it is larger than the sum of its proper divisors (19717).

42434963 is a wasteful number, since it uses less digits than its factorization.

42434963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19716.

The product of its digits is 62208, while the sum is 35.

The square root of 42434963 is about 6514.2123852389. The cubic root of 42434963 is about 348.7985005538.

The spelling of 42434963 in words is "forty-two million, four hundred thirty-four thousand, nine hundred sixty-three".