4424252231513 has 2 divisors, whose sum is σ = 4424252231514. Its totient is φ = 4424252231512.

The previous prime is 4424252231491. The next prime is 4424252231543. The reversal of 4424252231513 is 3151322524244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3657836027209 + 766416204304 = 1912547^2 + 875452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4424252231513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4424252231543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212126115756 + 2212126115757.

It is an arithmetic number, because the mean of its divisors is an integer number (2212126115757).

Almost surely, 2^{4424252231513} is an apocalyptic number.

It is an amenable number.

4424252231513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424252231513 is an equidigital number, since it uses as much as digits as its factorization.

4424252231513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 38.

Adding to 4424252231513 its reverse (3151322524244), we get a palindrome (7575574755757).

The spelling of 4424252231513 in words is "four trillion, four hundred twenty-four billion, two hundred fifty-two million, two hundred thirty-one thousand, five hundred thirteen".