42589670447 has 16 divisors (see below), whose sum is σ = 45403545600. Its totient is φ = 39885510720.

The previous prime is 42589670341. The next prime is 42589670449. The reversal of 42589670447 is 74407698524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42589670447 - 2³² = 38294703151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42589670392 and 42589670401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42589670449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34547 + ... + 293892.

It is an arithmetic number, because the mean of its divisors is an integer number (2837721600).

Almost surely, 2^42589670447 is an apocalyptic number.

42589670447 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42589670447 is a deficient number, since it is larger than the sum of its proper divisors (2813875153).

42589670447 is a wasteful number, since it uses less digits than its factorization.

42589670447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328606.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 42589670447 in words is "forty-two billion, five hundred eighty-nine million, six hundred seventy thousand, four hundred forty-seven".