424821884825 has 24 divisors (see below), whose sum is σ = 567349234200. Its totient is φ = 313687733760.

The previous prime is 424821884821. The next prime is 424821884869. The reversal of 424821884825 is 528488128424.

It can be written as a sum of positive squares in 12 ways, for example, as 161327542336 + 263494342489 = 401656^2 + 513317^2 .

It is not a de Polignac number, because 424821884825 - 2² = 424821884821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424821884821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4250021 + ... + 4348829.

It is an arithmetic number, because the mean of its divisors is an integer number (23639551425).

Almost surely, 2^424821884825 is an apocalyptic number.

It is an amenable number.

424821884825 is a deficient number, since it is larger than the sum of its proper divisors (142527349375).

424821884825 is a wasteful number, since it uses less digits than its factorization.

424821884825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112061 (or 112056 counting only the distinct ones).

The product of its digits is 10485760, while the sum is 56.

The spelling of 424821884825 in words is "four hundred twenty-four billion, eight hundred twenty-one million, eight hundred eighty-four thousand, eight hundred twenty-five".