42193863 has 6 divisors (see below), whose sum is σ = 60946704. Its totient is φ = 28129236.

The previous prime is 42193859. The next prime is 42193871. The reversal of 42193863 is 36839124.

It is not a de Polignac number, because 42193863 - 2² = 42193859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42193843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2344095 + ... + 2344112.

It is an arithmetic number, because the mean of its divisors is an integer number (10157784).

Almost surely, 2^42193863 is an apocalyptic number.

42193863 is a deficient number, since it is larger than the sum of its proper divisors (18752841).

42193863 is a wasteful number, since it uses less digits than its factorization.

42193863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688213 (or 4688210 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 42193863 is about 6495.6803338834. The cubic root of 42193863 is about 348.1366635254.

The spelling of 42193863 in words is "forty-two million, one hundred ninety-three thousand, eight hundred sixty-three".