4256602366469 has 2 divisors, whose sum is σ = 4256602366470. Its totient is φ = 4256602366468.

The previous prime is 4256602366451. The next prime is 4256602366537. The reversal of 4256602366469 is 9646632066524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4138531098244 + 118071268225 = 2034338^2 + 343615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4256602366469 - 2¹² = 4256602362373 is a prime.

It is a super-2 number, since 2×4256602366469² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256602366169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128301183234 + 2128301183235.

It is an arithmetic number, because the mean of its divisors is an integer number (2128301183235).

Almost surely, 2^{4256602366469} is an apocalyptic number.

It is an amenable number.

4256602366469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256602366469 is an equidigital number, since it uses as much as digits as its factorization.

4256602366469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67184640, while the sum is 59.

The spelling of 4256602366469 in words is "four trillion, two hundred fifty-six billion, six hundred two million, three hundred sixty-six thousand, four hundred sixty-nine".