425888509003819 has 2 divisors, whose sum is σ = 425888509003820. Its totient is φ = 425888509003818.

The previous prime is 425888509003753. The next prime is 425888509003871. The reversal of 425888509003819 is 918300905888524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425888509003819 - 2⁴⁷ = 285151020648491 is a prime.

It is a super-2 number, since 2×425888509003819² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425888509043819) 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, 212944254501909 + 212944254501910.

It is an arithmetic number, because the mean of its divisors is an integer number (212944254501910).

Almost surely, 2^{425888509003819} is an apocalyptic number.

425888509003819 is a deficient number, since it is larger than the sum of its proper divisors (1).

425888509003819 is an equidigital number, since it uses as much as digits as its factorization.

425888509003819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 199065600, while the sum is 70.

The spelling of 425888509003819 in words is "four hundred twenty-five trillion, eight hundred eighty-eight billion, five hundred nine million, three thousand, eight hundred nineteen".