4425131221439 has 2 divisors, whose sum is σ = 4425131221440. Its totient is φ = 4425131221438.

The previous prime is 4425131221411. The next prime is 4425131221447. The reversal of 4425131221439 is 9341221315244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4425131221439 - 2³² = 4420836254143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4425131221396 and 4425131221405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425131221039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212565610719 + 2212565610720.

It is an arithmetic number, because the mean of its divisors is an integer number (2212565610720).

Almost surely, 2^{4425131221439} is an apocalyptic number.

4425131221439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425131221439 is an equidigital number, since it uses as much as digits as its factorization.

4425131221439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The spelling of 4425131221439 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-one million, two hundred twenty-one thousand, four hundred thirty-nine".