426133873 has 4 divisors (see below), whose sum is σ = 464873328. Its totient is φ = 387394420.

The previous prime is 426133853. The next prime is 426133879. The reversal of 426133873 is 378331624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426133873 - 2⁹ = 426133361 is a prime.

It is a Duffinian 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, 19369711 + ... + 19369732.

It is an arithmetic number, because the mean of its divisors is an integer number (116218332).

Almost surely, 2^426133873 is an apocalyptic number.

It is an amenable number.

426133873 is a deficient number, since it is larger than the sum of its proper divisors (38739455).

426133873 is a wasteful number, since it uses less digits than its factorization.

426133873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38739454.

The product of its digits is 72576, while the sum is 37.

The square root of 426133873 is about 20643.0102698226. The cubic root of 426133873 is about 752.5153313065.

The spelling of 426133873 in words is "four hundred twenty-six million, one hundred thirty-three thousand, eight hundred seventy-three".