421471171433 has 24 divisors (see below), whose sum is σ = 490444819488. Its totient is φ = 360699685632.

The previous prime is 421471171403. The next prime is 421471171441. The reversal of 421471171433 is 334171174124.

It is not a de Polignac number, because 421471171433 - 2¹⁰ = 421471170409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421471171403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902291 + ... + 1287272.

It is an arithmetic number, because the mean of its divisors is an integer number (20435200812).

Almost surely, 2^421471171433 is an apocalyptic number.

It is an amenable number.

421471171433 is a deficient number, since it is larger than the sum of its proper divisors (68973648055).

421471171433 is a wasteful number, since it uses less digits than its factorization.

421471171433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189673 (or 2189660 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The spelling of 421471171433 in words is "four hundred twenty-one billion, four hundred seventy-one million, one hundred seventy-one thousand, four hundred thirty-three".