63763251122689 has 2 divisors, whose sum is σ = 63763251122690. Its totient is φ = 63763251122688.

The previous prime is 63763251122647. The next prime is 63763251122717. The reversal of 63763251122689 is 98622115236736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57158438502400 + 6604812620289 = 7560320^2 + 2569983^2 .

It is a cyclic number.

It is not a de Polignac number, because 63763251122689 - 2¹⁹ = 63763250598401 is a prime.

It is not a weakly prime, because it can be changed into another prime (63763251122609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31881625561344 + 31881625561345.

It is an arithmetic number, because the mean of its divisors is an integer number (31881625561345).

Almost surely, 2^{63763251122689} is an apocalyptic number.

It is an amenable number.

63763251122689 is a deficient number, since it is larger than the sum of its proper divisors (1).

63763251122689 is an equidigital number, since it uses as much as digits as its factorization.

63763251122689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 61.

The spelling of 63763251122689 in words is "sixty-three trillion, seven hundred sixty-three billion, two hundred fifty-one million, one hundred twenty-two thousand, six hundred eighty-nine".