42095663 has 4 divisors (see below), whose sum is σ = 42118440. Its totient is φ = 42072888.

The previous prime is 42095653. The next prime is 42095693. The reversal of 42095663 is 36659024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42095663 - 2¹⁶ = 42030127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42095623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8345 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (10529610).

Almost surely, 2^42095663 is an apocalyptic number.

42095663 is a deficient number, since it is larger than the sum of its proper divisors (22777).

42095663 is a wasteful number, since it uses less digits than its factorization.

42095663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22776.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 42095663 is about 6488.1170612128. The cubic root of 42095663 is about 347.8663747992.

The spelling of 42095663 in words is "forty-two million, ninety-five thousand, six hundred sixty-three".