425131320443 has 2 divisors, whose sum is σ = 425131320444. Its totient is φ = 425131320442.

The previous prime is 425131320409. The next prime is 425131320451. The reversal of 425131320443 is 344023131524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425131320443 - 2¹⁶ = 425131254907 is a prime.

It is not a weakly prime, because it can be changed into another prime (425131326443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212565660221 + 212565660222.

It is an arithmetic number, because the mean of its divisors is an integer number (212565660222).

Almost surely, 2^425131320443 is an apocalyptic number.

425131320443 is a deficient number, since it is larger than the sum of its proper divisors (1).

425131320443 is an equidigital number, since it uses as much as digits as its factorization.

425131320443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 425131320443 its reverse (344023131524), we get a palindrome (769154451967).

The spelling of 425131320443 in words is "four hundred twenty-five billion, one hundred thirty-one million, three hundred twenty thousand, four hundred forty-three".