421386207659 has 8 divisors (see below), whose sum is σ = 421819088832. Its totient is φ = 420953420800.

The previous prime is 421386207631. The next prime is 421386207709. The reversal of 421386207659 is 956702683124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421386207659 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 421386207659.

It is not an unprimeable number, because it can be changed into a prime (421386207559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11953259 + ... + 11988459.

It is an arithmetic number, because the mean of its divisors is an integer number (52727386104).

It is a 1-persistent number, because it is pandigital, but 2⋅421386207659 = 842772415318 is not.

Almost surely, 2^421386207659 is an apocalyptic number.

421386207659 is a deficient number, since it is larger than the sum of its proper divisors (432881173).

421386207659 is a wasteful number, since it uses less digits than its factorization.

421386207659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47157.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 421386207659 in words is "four hundred twenty-one billion, three hundred eighty-six million, two hundred seven thousand, six hundred fifty-nine".