42663693 has 16 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 26707200.

The previous prime is 42663679. The next prime is 42663737. The reversal of 42663693 is 39636624.

It is not a de Polignac number, because 42663693 - 2⁵ = 42663661 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42663613) 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, 32143 + ... + 33443.

It is an arithmetic number, because the mean of its divisors is an integer number (3773196).

Almost surely, 2^42663693 is an apocalyptic number.

It is an amenable number.

42663693 is a deficient number, since it is larger than the sum of its proper divisors (17707443).

42663693 is a wasteful number, since it uses less digits than its factorization.

42663693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its digits is 139968, while the sum is 39.

The square root of 42663693 is about 6531.7450195181. The cubic root of 42663693 is about 349.4240677775.

The spelling of 42663693 in words is "forty-two million, six hundred sixty-three thousand, six hundred ninety-three".