424025245221 has 16 divisors (see below), whose sum is σ = 591076225536. Its totient is φ = 269875883376.

The previous prime is 424025245207. The next prime is 424025245261. The reversal of 424025245221 is 122542520424.

It is not a de Polignac number, because 424025245221 - 2²¹ = 424023148069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424025245261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5838955 + ... + 5911128.

It is an arithmetic number, because the mean of its divisors is an integer number (36942264096).

Almost surely, 2^424025245221 is an apocalyptic number.

It is an amenable number.

424025245221 is a deficient number, since it is larger than the sum of its proper divisors (167050980315).

424025245221 is a wasteful number, since it uses less digits than its factorization.

424025245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750632.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 424025245221 its reverse (122542520424), we get a palindrome (546567765645).

The spelling of 424025245221 in words is "four hundred twenty-four billion, twenty-five million, two hundred forty-five thousand, two hundred twenty-one".