424221450239 has 4 divisors (see below), whose sum is σ = 430032703056. Its totient is φ = 418410197424.

The previous prime is 424221450187. The next prime is 424221450253. The reversal of 424221450239 is 932054122424.

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 424221450239 - 2²⁴ = 424204673023 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 (424221450139) 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, 2905626299 + ... + 2905626444.

It is an arithmetic number, because the mean of its divisors is an integer number (107508175764).

Almost surely, 2^424221450239 is an apocalyptic number.

424221450239 is a deficient number, since it is larger than the sum of its proper divisors (5811252817).

424221450239 is an equidigital number, since it uses as much as digits as its factorization.

424221450239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811252816.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 424221450239 in words is "four hundred twenty-four billion, two hundred twenty-one million, four hundred fifty thousand, two hundred thirty-nine".