63388606313 has 2 divisors, whose sum is σ = 63388606314. Its totient is φ = 63388606312.

The previous prime is 63388606301. The next prime is 63388606327. The reversal of 63388606313 is 31360688336.

63388606313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61629055504 + 1759550809 = 248252^2 + 41947^2 .

It is a cyclic number.

It is not a de Polignac number, because 63388606313 - 2²² = 63384412009 is a prime.

It is not a weakly prime, because it can be changed into another prime (63388606363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31694303156 + 31694303157.

It is an arithmetic number, because the mean of its divisors is an integer number (31694303157).

Almost surely, 2^63388606313 is an apocalyptic number.

It is an amenable number.

63388606313 is a deficient number, since it is larger than the sum of its proper divisors (1).

63388606313 is an equidigital number, since it uses as much as digits as its factorization.

63388606313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 63388606313 in words is "sixty-three billion, three hundred eighty-eight million, six hundred six thousand, three hundred thirteen".