421128441963 has 6 divisors (see below), whose sum is σ = 608296638404. Its totient is φ = 280752294636.

The previous prime is 421128441893. The next prime is 421128441973. The reversal of 421128441963 is 369144821124.

421128441963 is a `hidden beast` number, since 4 + 2 + 112 + 8 + 441 + 96 + 3 = 666.

It is not a de Polignac number, because 421128441963 - 2⁸ = 421128441707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421128441973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23396024545 + ... + 23396024562.

Almost surely, 2^421128441963 is an apocalyptic number.

421128441963 is a deficient number, since it is larger than the sum of its proper divisors (187168196441).

421128441963 is a wasteful number, since it uses less digits than its factorization.

421128441963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46792049113 (or 46792049110 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 421128441963 in words is "four hundred twenty-one billion, one hundred twenty-eight million, four hundred forty-one thousand, nine hundred sixty-three".