63729263263 has 2 divisors, whose sum is σ = 63729263264. Its totient is φ = 63729263262.

The previous prime is 63729263261. The next prime is 63729263293. The reversal of 63729263263 is 36236292736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63729263263 - 2¹ = 63729263261 is a prime.

It is a super-2 number, since 2×63729263263² (a number of 22 digits) contains 22 as substring.

Together with 63729263261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63729263261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31864631631 + 31864631632.

It is an arithmetic number, because the mean of its divisors is an integer number (31864631632).

Almost surely, 2^63729263263 is an apocalyptic number.

63729263263 is a deficient number, since it is larger than the sum of its proper divisors (1).

63729263263 is an equidigital number, since it uses as much as digits as its factorization.

63729263263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 49.

The spelling of 63729263263 in words is "sixty-three billion, seven hundred twenty-nine million, two hundred sixty-three thousand, two hundred sixty-three".