42829669 has 4 divisors (see below), whose sum is σ = 42916000. Its totient is φ = 42743340.

The previous prime is 42829663. The next prime is 42829673. The reversal of 42829669 is 96692824.

42829669 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 42829669 - 2⁷ = 42829541 is a prime.

It is a super-2 number, since 2×42829669² = 3668761093299122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42829663) 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, 42417 + ... + 43414.

It is an arithmetic number, because the mean of its divisors is an integer number (10729000).

Almost surely, 2^42829669 is an apocalyptic number.

It is an amenable number.

42829669 is a deficient number, since it is larger than the sum of its proper divisors (86331).

42829669 is an equidigital number, since it uses as much as digits as its factorization.

42829669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86330.

The product of its digits is 373248, while the sum is 46.

The square root of 42829669 is about 6544.4380201817. The cubic root of 42829669 is about 349.8766068428.

The spelling of 42829669 in words is "forty-two million, eight hundred twenty-nine thousand, six hundred sixty-nine".