42404522663 has 2 divisors, whose sum is σ = 42404522664. Its totient is φ = 42404522662.

The previous prime is 42404522653. The next prime is 42404522669. The reversal of 42404522663 is 36622540424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42404522663 - 2⁴ = 42404522647 is a prime.

It is a super-2 number, since 2×42404522663² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42404522669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202261331 + 21202261332.

It is an arithmetic number, because the mean of its divisors is an integer number (21202261332).

Almost surely, 2^42404522663 is an apocalyptic number.

42404522663 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404522663 is an equidigital number, since it uses as much as digits as its factorization.

42404522663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 42404522663 in words is "forty-two billion, four hundred four million, five hundred twenty-two thousand, six hundred sixty-three".