426429222171 has 4 divisors (see below), whose sum is σ = 568572296232. Its totient is φ = 284286148112.

The previous prime is 426429222169. The next prime is 426429222179. The reversal of 426429222171 is 171222924624.

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 426429222171 - 2¹ = 426429222169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426429222179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71071537026 + ... + 71071537031.

It is an arithmetic number, because the mean of its divisors is an integer number (142143074058).

Almost surely, 2^426429222171 is an apocalyptic number.

426429222171 is a deficient number, since it is larger than the sum of its proper divisors (142143074061).

426429222171 is a wasteful number, since it uses less digits than its factorization.

426429222171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142143074060.

The product of its digits is 193536, while the sum is 42.

The spelling of 426429222171 in words is "four hundred twenty-six billion, four hundred twenty-nine million, two hundred twenty-two thousand, one hundred seventy-one".