42819333 has 4 divisors (see below), whose sum is σ = 57092448. Its totient is φ = 28546220.

The previous prime is 42819317. The next prime is 42819347. The reversal of 42819333 is 33391824.

It is a happy number.

42819333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42819333 - 2⁴ = 42819317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42819294 and 42819303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42819373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136553 + ... + 7136558.

It is an arithmetic number, because the mean of its divisors is an integer number (14273112).

Almost surely, 2^42819333 is an apocalyptic number.

It is an amenable number.

42819333 is a deficient number, since it is larger than the sum of its proper divisors (14273115).

42819333 is a wasteful number, since it uses less digits than its factorization.

42819333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273114.

The product of its digits is 15552, while the sum is 33.

The square root of 42819333 is about 6543.6482943386. The cubic root of 42819333 is about 349.8484595667.

The spelling of 42819333 in words is "forty-two million, eight hundred nineteen thousand, three hundred thirty-three".