421487774463 has 32 divisors (see below), whose sum is σ = 680119050240. Its totient is φ = 226807486560.

The previous prime is 421487774419. The next prime is 421487774471. The reversal of 421487774463 is 364477784124.

It is not a de Polignac number, because 421487774463 - 2⁶ = 421487774399 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421487774473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3096123 + ... + 3229388.

It is an arithmetic number, because the mean of its divisors is an integer number (21253720320).

Almost surely, 2^421487774463 is an apocalyptic number.

421487774463 is a deficient number, since it is larger than the sum of its proper divisors (258631275777).

421487774463 is a wasteful number, since it uses less digits than its factorization.

421487774463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325707.

The product of its digits is 25288704, while the sum is 57.

The spelling of 421487774463 in words is "four hundred twenty-one billion, four hundred eighty-seven million, seven hundred seventy-four thousand, four hundred sixty-three".