42946619 has 4 divisors (see below), whose sum is σ = 42960960. Its totient is φ = 42932280.

The previous prime is 42946597. The next prime is 42946621. The reversal of 42946619 is 91664924.

42946619 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42946619 is a prime.

It is a super-2 number, since 2×42946619² = 3688824167062322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42946679) 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, 779 + ... + 9300.

It is an arithmetic number, because the mean of its divisors is an integer number (10740240).

Almost surely, 2^42946619 is an apocalyptic number.

42946619 is a deficient number, since it is larger than the sum of its proper divisors (14341).

42946619 is a wasteful number, since it uses less digits than its factorization.

42946619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340.

The product of its digits is 93312, while the sum is 41.

The square root of 42946619 is about 6553.3669972008. The cubic root of 42946619 is about 350.1947732222.

The spelling of 42946619 in words is "forty-two million, nine hundred forty-six thousand, six hundred nineteen".