421522252311443 has 8 divisors (see below), whose sum is σ = 421557382350000. Its totient is φ = 421487123436288.

The previous prime is 421522252311409. The next prime is 421522252311481. The reversal of 421522252311443 is 344113252225124.

It is a happy number.

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 421522252311443 - 2¹⁸ = 421522252049299 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 421522252311443.

It is not an unprimeable number, because it can be changed into a prime (421522252371443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818090843 + ... + 818605931.

It is an arithmetic number, because the mean of its divisors is an integer number (52694672793750).

Almost surely, 2^{421522252311443} is an apocalyptic number.

421522252311443 is a deficient number, since it is larger than the sum of its proper divisors (35130038557).

421522252311443 is a wasteful number, since it uses less digits than its factorization.

421522252311443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581701.

The product of its digits is 460800, while the sum is 41.

The spelling of 421522252311443 in words is "four hundred twenty-one trillion, five hundred twenty-two billion, two hundred fifty-two million, three hundred eleven thousand, four hundred forty-three".