4425131221297 has 2 divisors, whose sum is σ = 4425131221298. Its totient is φ = 4425131221296.

The previous prime is 4425131221271. The next prime is 4425131221319. The reversal of 4425131221297 is 7921221315244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3513165430336 + 911965790961 = 1874344^2 + 954969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4425131221297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4425131201297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212565610648 + 2212565610649.

It is an arithmetic number, because the mean of its divisors is an integer number (2212565610649).

Almost surely, 2^{4425131221297} is an apocalyptic number.

It is an amenable number.

4425131221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425131221297 is an equidigital number, since it uses as much as digits as its factorization.

4425131221297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The spelling of 4425131221297 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred ninety-seven".