425635264441 has 2 divisors, whose sum is σ = 425635264442. Its totient is φ = 425635264440.

The previous prime is 425635264391. The next prime is 425635264477. The reversal of 425635264441 is 144462536524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340584291216 + 85050973225 = 583596^2 + 291635^2 .

It is a cyclic number.

It is not a de Polignac number, because 425635264441 - 2³⁵ = 391275526073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425635264391 and 425635264400.

It is not a weakly prime, because it can be changed into another prime (425635204441) 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, 212817632220 + 212817632221.

It is an arithmetic number, because the mean of its divisors is an integer number (212817632221).

Almost surely, 2^425635264441 is an apocalyptic number.

It is an amenable number.

425635264441 is a deficient number, since it is larger than the sum of its proper divisors (1).

425635264441 is an equidigital number, since it uses as much as digits as its factorization.

425635264441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 46.

The spelling of 425635264441 in words is "four hundred twenty-five billion, six hundred thirty-five million, two hundred sixty-four thousand, four hundred forty-one".