4256315663 has 2 divisors, whose sum is σ = 4256315664. Its totient is φ = 4256315662.

The previous prime is 4256315563. The next prime is 4256315681. The reversal of 4256315663 is 3665136524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4256315663 - 2¹² = 4256311567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4256315663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256315563) 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, 2128157831 + 2128157832.

It is an arithmetic number, because the mean of its divisors is an integer number (2128157832).

Almost surely, 2^4256315663 is an apocalyptic number.

4256315663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256315663 is an equidigital number, since it uses as much as digits as its factorization.

4256315663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The square root of 4256315663 is about 65240.4449938840. Note that the first 3 decimals coincide. The cubic root of 4256315663 is about 1620.6078680826.

The spelling of 4256315663 in words is "four billion, two hundred fifty-six million, three hundred fifteen thousand, six hundred sixty-three".