63954281119 has 2 divisors, whose sum is σ = 63954281120. Its totient is φ = 63954281118.

The previous prime is 63954281099. The next prime is 63954281161. The reversal of 63954281119 is 91118245936.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63954281119 - 2¹¹ = 63954279071 is a prime.

It is a super-2 number, since 2×63954281119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63954281719) 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, 31977140559 + 31977140560.

It is an arithmetic number, because the mean of its divisors is an integer number (31977140560).

Almost surely, 2^63954281119 is an apocalyptic number.

63954281119 is a deficient number, since it is larger than the sum of its proper divisors (1).

63954281119 is an equidigital number, since it uses as much as digits as its factorization.

63954281119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The spelling of 63954281119 in words is "sixty-three billion, nine hundred fifty-four million, two hundred eighty-one thousand, one hundred nineteen".