42933649 has 8 divisors (see below), whose sum is σ = 47022048. Its totient is φ = 38876160.

The previous prime is 42933623. The next prime is 42933661. The reversal of 42933649 is 94633924.

42933649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42933649 - 2¹¹ = 42931601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42933349) 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 7 ways as a sum of consecutive naturals, for example, 4767 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (5877756).

Almost surely, 2^42933649 is an apocalyptic number.

It is an amenable number.

42933649 is a deficient number, since it is larger than the sum of its proper divisors (4088399).

42933649 is a wasteful number, since it uses less digits than its factorization.

42933649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15455.

The product of its digits is 139968, while the sum is 40.

The square root of 42933649 is about 6552.3773548232. The cubic root of 42933649 is about 350.1595164032.

The spelling of 42933649 in words is "forty-two million, nine hundred thirty-three thousand, six hundred forty-nine".