663525012263 has 2 divisors, whose sum is σ = 663525012264. Its totient is φ = 663525012262.

The previous prime is 663525012253. The next prime is 663525012281. The reversal of 663525012263 is 362210525366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663525012263 - 2¹⁴ = 663524995879 is a prime.

It is a super-2 number, since 2×663525012263² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 663525012263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663525012253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331762506131 + 331762506132.

It is an arithmetic number, because the mean of its divisors is an integer number (331762506132).

Almost surely, 2^663525012263 is an apocalyptic number.

663525012263 is a deficient number, since it is larger than the sum of its proper divisors (1).

663525012263 is an equidigital number, since it uses as much as digits as its factorization.

663525012263 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 663525012263 in words is "six hundred sixty-three billion, five hundred twenty-five million, twelve thousand, two hundred sixty-three".