63643063405351 has 2 divisors, whose sum is σ = 63643063405352. Its totient is φ = 63643063405350.

The previous prime is 63643063405303. The next prime is 63643063405367. The reversal of 63643063405351 is 15350436034636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63643063405351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63643063405295 and 63643063405304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63643063475351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31821531702675 + 31821531702676.

It is an arithmetic number, because the mean of its divisors is an integer number (31821531702676).

Almost surely, 2^{63643063405351} is an apocalyptic number.

63643063405351 is a deficient number, since it is larger than the sum of its proper divisors (1).

63643063405351 is an equidigital number, since it uses as much as digits as its factorization.

63643063405351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 49.

Adding to 63643063405351 its reverse (15350436034636), we get a palindrome (78993499439987).

The spelling of 63643063405351 in words is "sixty-three trillion, six hundred forty-three billion, sixty-three million, four hundred five thousand, three hundred fifty-one".