42531040459 has 2 divisors, whose sum is σ = 42531040460. Its totient is φ = 42531040458.

The previous prime is 42531040421. The next prime is 42531040471. The reversal of 42531040459 is 95404013524.

It is a happy number.

42531040459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42531040459 - 2¹⁷ = 42530909387 is a prime.

It is not a weakly prime, because it can be changed into another prime (42531040499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265520229 + 21265520230.

It is an arithmetic number, because the mean of its divisors is an integer number (21265520230).

Almost surely, 2^42531040459 is an apocalyptic number.

42531040459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42531040459 is an equidigital number, since it uses as much as digits as its factorization.

42531040459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 42531040459 in words is "forty-two billion, five hundred thirty-one million, forty thousand, four hundred fifty-nine".