42594463209 has 8 divisors (see below), whose sum is σ = 59261861952. Its totient is φ = 27161686640.

The previous prime is 42594463199. The next prime is 42594463231. The reversal of 42594463209 is 90236449524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42594463209 - 2²⁸ = 42326027753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42594463409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308655462 + ... + 308655599.

It is an arithmetic number, because the mean of its divisors is an integer number (7407732744).

Almost surely, 2^42594463209 is an apocalyptic number.

It is an amenable number.

42594463209 is a deficient number, since it is larger than the sum of its proper divisors (16667398743).

42594463209 is a wasteful number, since it uses less digits than its factorization.

42594463209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617311087.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 42594463209 in words is "forty-two billion, five hundred ninety-four million, four hundred sixty-three thousand, two hundred nine".