426133871 has 4 divisors (see below), whose sum is σ = 426198000. Its totient is φ = 426069744.

The previous prime is 426133853. The next prime is 426133879. The reversal of 426133871 is 178331624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426133871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426133879) 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, 20771 + ... + 35828.

It is an arithmetic number, because the mean of its divisors is an integer number (106549500).

Almost surely, 2^426133871 is an apocalyptic number.

426133871 is a deficient number, since it is larger than the sum of its proper divisors (64129).

426133871 is an equidigital number, since it uses as much as digits as its factorization.

426133871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64128.

The product of its digits is 24192, while the sum is 35.

The square root of 426133871 is about 20643.0102213800. The cubic root of 426133871 is about 752.5153301292.

The spelling of 426133871 in words is "four hundred twenty-six million, one hundred thirty-three thousand, eight hundred seventy-one".