43042969 has 8 divisors (see below), whose sum is σ = 43763328. Its totient is φ = 42325920.

The previous prime is 43042933. The next prime is 43042991. The reversal of 43042969 is 96924034.

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 43042969 - 2⁹ = 43042457 is a prime.

It is a super-2 number, since 2×43042969² = 3705394360669922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43040969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45469 + ... + 46405.

It is an arithmetic number, because the mean of its divisors is an integer number (5470416).

Almost surely, 2^43042969 is an apocalyptic number.

It is an amenable number.

43042969 is a deficient number, since it is larger than the sum of its proper divisors (720359).

43042969 is an equidigital number, since it uses as much as digits as its factorization.

43042969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 43042969 is about 6560.7140617466. The cubic root of 43042969 is about 350.4564629349.

The spelling of 43042969 in words is "forty-three million, forty-two thousand, nine hundred sixty-nine".