42786215459 has 4 divisors (see below), whose sum is σ = 46077462816. Its totient is φ = 39494968104.

The previous prime is 42786215453. The next prime is 42786215491. The reversal of 42786215459 is 95451268724.

42786215459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42786215459 - 2²⁸ = 42517780003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42786215459.

It is not an unprimeable number, because it can be changed into a prime (42786215453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645623659 + ... + 1645623684.

It is an arithmetic number, because the mean of its divisors is an integer number (11519365704).

Almost surely, 2^42786215459 is an apocalyptic number.

42786215459 is a deficient number, since it is larger than the sum of its proper divisors (3291247357).

42786215459 is a wasteful number, since it uses less digits than its factorization.

42786215459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291247356.

The product of its digits is 4838400, while the sum is 53.

The spelling of 42786215459 in words is "forty-two billion, seven hundred eighty-six million, two hundred fifteen thousand, four hundred fifty-nine".