421475227763 has 4 divisors (see below), whose sum is σ = 421479036120. Its totient is φ = 421471419408.

The previous prime is 421475227703. The next prime is 421475227783. The reversal of 421475227763 is 367722574124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421475227763 - 2⁸ = 421475227507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421475227703) 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 3 ways as a sum of consecutive naturals, for example, 1733045 + ... + 1961222.

It is an arithmetic number, because the mean of its divisors is an integer number (105369759030).

Almost surely, 2^421475227763 is an apocalyptic number.

421475227763 is a deficient number, since it is larger than the sum of its proper divisors (3808357).

421475227763 is a wasteful number, since it uses less digits than its factorization.

421475227763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808356.

The product of its digits is 3951360, while the sum is 50.

The spelling of 421475227763 in words is "four hundred twenty-one billion, four hundred seventy-five million, two hundred twenty-seven thousand, seven hundred sixty-three".