42356757663 has 24 divisors (see below), whose sum is σ = 67356329040. Its totient is φ = 25435244160.

The previous prime is 42356757659. The next prime is 42356757701. The reversal of 42356757663 is 36675765324.

42356757663 is a `hidden beast` number, since 4 + 2 + 3 + 5 + 6 + 7 + 576 + 63 = 666.

It is not a de Polignac number, because 42356757663 - 2² = 42356757659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42356757263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951806 + ... + 1973387.

It is an arithmetic number, because the mean of its divisors is an integer number (2806513710).

Almost surely, 2^42356757663 is an apocalyptic number.

42356757663 is a deficient number, since it is larger than the sum of its proper divisors (24999571377).

42356757663 is a wasteful number, since it uses less digits than its factorization.

42356757663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925319 (or 3925316 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 54.

The spelling of 42356757663 in words is "forty-two billion, three hundred fifty-six million, seven hundred fifty-seven thousand, six hundred sixty-three".