421264286729 has 8 divisors (see below), whose sum is σ = 494911889472. Its totient is φ = 353508492240.

The previous prime is 421264286701. The next prime is 421264286747. The reversal of 421264286729 is 927682462124.

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-421264286729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421264286759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472951909 + ... + 1472952194.

It is an arithmetic number, because the mean of its divisors is an integer number (61863986184).

Almost surely, 2^421264286729 is an apocalyptic number.

It is an amenable number.

421264286729 is a deficient number, since it is larger than the sum of its proper divisors (73647602743).

421264286729 is a wasteful number, since it uses less digits than its factorization.

421264286729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945904127.

The product of its digits is 4644864, while the sum is 53.

The spelling of 421264286729 in words is "four hundred twenty-one billion, two hundred sixty-four million, two hundred eighty-six thousand, seven hundred twenty-nine".