422673539 has 2 divisors, whose sum is σ = 422673540. Its totient is φ = 422673538.

The previous prime is 422673479. The next prime is 422673571. The reversal of 422673539 is 935376224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422673539 - 2⁸ = 422673283 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 422673496 and 422673505.

It is not a weakly prime, because it can be changed into another prime (422673439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211336769 + 211336770.

It is an arithmetic number, because the mean of its divisors is an integer number (211336770).

Almost surely, 2^422673539 is an apocalyptic number.

422673539 is a deficient number, since it is larger than the sum of its proper divisors (1).

422673539 is an equidigital number, since it uses as much as digits as its factorization.

422673539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 422673539 is about 20559.0257308074. The cubic root of 422673539 is about 750.4729100417.

The spelling of 422673539 in words is "four hundred twenty-two million, six hundred seventy-three thousand, five hundred thirty-nine".