42434042319 has 32 divisors (see below), whose sum is σ = 63134453760. Its totient is φ = 28168396704.

The previous prime is 42434042317. The next prime is 42434042423. The reversal of 42434042319 is 91324043424.

42434042319 is a `hidden beast` number, since 4 + 243 + 404 + 2 + 3 + 1 + 9 = 666.

It is not a de Polignac number, because 42434042319 - 2¹ = 42434042317 is a prime.

It is a super-2 number, since 2×42434042319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434042317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16952022 + ... + 16954524.

It is an arithmetic number, because the mean of its divisors is an integer number (1972951680).

Almost surely, 2^42434042319 is an apocalyptic number.

42434042319 is a deficient number, since it is larger than the sum of its proper divisors (20700411441).

42434042319 is a wasteful number, since it uses less digits than its factorization.

42434042319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 42434042319 in words is "forty-two billion, four hundred thirty-four million, forty-two thousand, three hundred nineteen".