42663829 has 16 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 36529920.

The previous prime is 42663823. The next prime is 42663839. The reversal of 42663829 is 92836624.

It is a cyclic number.

It is not a de Polignac number, because 42663829 - 2¹³ = 42655637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42663791 and 42663800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42663823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14332 + ... + 17050.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^42663829 is an apocalyptic number.

It is an amenable number.

42663829 is a deficient number, since it is larger than the sum of its proper divisors (6687851).

42663829 is a wasteful number, since it uses less digits than its factorization.

42663829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

The product of its digits is 124416, while the sum is 40.

The square root of 42663829 is about 6531.7554302040. The cubic root of 42663829 is about 349.4244390660.

The spelling of 42663829 in words is "forty-two million, six hundred sixty-three thousand, eight hundred twenty-nine".