42013521459 has 96 divisors (see below), whose sum is σ = 75687772160. Its totient is φ = 21866920704.

The previous prime is 42013521437. The next prime is 42013521479. The reversal of 42013521459 is 95412531024.

42013521459 is a `hidden beast` number, since 420 + 13 + 5 + 214 + 5 + 9 = 666.

42013521459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42013521459 - 2⁵ = 42013521427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42013521419) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25262862 + ... + 25264524.

Almost surely, 2^42013521459 is an apocalyptic number.

42013521459 is a deficient number, since it is larger than the sum of its proper divisors (33674250701).

42013521459 is a wasteful number, since it uses less digits than its factorization.

42013521459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 42013521459 in words is "forty-two billion, thirteen million, five hundred twenty-one thousand, four hundred fifty-nine".