63251626073 has 2 divisors, whose sum is σ = 63251626074. Its totient is φ = 63251626072.

The previous prime is 63251626027. The next prime is 63251626093. The reversal of 63251626073 is 37062615236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59571141184 + 3680484889 = 244072^2 + 60667^2 .

It is a cyclic number.

It is not a de Polignac number, because 63251626073 - 2¹⁴ = 63251609689 is a prime.

It is a super-2 number, since 2×63251626073² (a number of 22 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 63251626073.

It is not a weakly prime, because it can be changed into another prime (63251626093) 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, 31625813036 + 31625813037.

It is an arithmetic number, because the mean of its divisors is an integer number (31625813037).

Almost surely, 2^63251626073 is an apocalyptic number.

It is an amenable number.

63251626073 is a deficient number, since it is larger than the sum of its proper divisors (1).

63251626073 is an equidigital number, since it uses as much as digits as its factorization.

63251626073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 63251626073 in words is "sixty-three billion, two hundred fifty-one million, six hundred twenty-six thousand, seventy-three".