42469643 has 8 divisors (see below), whose sum is σ = 43268400. Its totient is φ = 41678208.

The previous prime is 42469639. The next prime is 42469663. The reversal of 42469643 is 34696424.

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 42469643 - 2² = 42469639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42469597 and 42469606.

It is not an unprimeable number, because it can be changed into a prime (42469613) 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, 10655 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (5408550).

Almost surely, 2^42469643 is an apocalyptic number.

42469643 is a deficient number, since it is larger than the sum of its proper divisors (798757).

42469643 is a wasteful number, since it uses less digits than its factorization.

42469643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

The product of its digits is 124416, while the sum is 38.

The square root of 42469643 is about 6516.8737136759. The cubic root of 42469643 is about 348.8934932783.

The spelling of 42469643 in words is "forty-two million, four hundred sixty-nine thousand, six hundred forty-three".