426213473 has 4 divisors (see below), whose sum is σ = 487101120. Its totient is φ = 365325828.

The previous prime is 426213467. The next prime is 426213479. The reversal of 426213473 is 374312624.

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 an interprime number because it is at equal distance from previous prime (426213467) and next prime (426213479).

It is not a de Polignac number, because 426213473 - 2²⁰ = 425164897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426213479) 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, 30443813 + ... + 30443826.

It is an arithmetic number, because the mean of its divisors is an integer number (121775280).

Almost surely, 2^426213473 is an apocalyptic number.

It is an amenable number.

426213473 is a deficient number, since it is larger than the sum of its proper divisors (60887647).

426213473 is an equidigital number, since it uses as much as digits as its factorization.

426213473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60887646.

The product of its digits is 24192, while the sum is 32.

The square root of 426213473 is about 20644.9381931746. The cubic root of 426213473 is about 752.5621839467.

The spelling of 426213473 in words is "four hundred twenty-six million, two hundred thirteen thousand, four hundred seventy-three".