425204021243377 has 2 divisors, whose sum is σ = 425204021243378. Its totient is φ = 425204021243376.

The previous prime is 425204021243293. The next prime is 425204021243389. The reversal of 425204021243377 is 773342120402524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241300154077921 + 183903867165456 = 15533839^2 + 13561116^2 .

It is a cyclic number.

It is not a de Polignac number, because 425204021243377 - 2²⁷ = 425203887025649 is a prime.

It is not a weakly prime, because it can be changed into another prime (405204021243377) 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, 212602010621688 + 212602010621689.

It is an arithmetic number, because the mean of its divisors is an integer number (212602010621689).

Almost surely, 2^{425204021243377} is an apocalyptic number.

It is an amenable number.

425204021243377 is a deficient number, since it is larger than the sum of its proper divisors (1).

425204021243377 is an equidigital number, since it uses as much as digits as its factorization.

425204021243377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 46.

The spelling of 425204021243377 in words is "four hundred twenty-five trillion, two hundred four billion, twenty-one million, two hundred forty-three thousand, three hundred seventy-seven".