63563925329 has 2 divisors, whose sum is σ = 63563925330. Its totient is φ = 63563925328.

The previous prime is 63563925277. The next prime is 63563925371. The reversal of 63563925329 is 92352936536.

It is a happy number.

63563925329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37892515600 + 25671409729 = 194660^2 + 160223^2 .

It is a cyclic number.

It is not a de Polignac number, because 63563925329 - 2¹² = 63563921233 is a prime.

It is not a weakly prime, because it can be changed into another prime (63553925329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31781962664 + 31781962665.

It is an arithmetic number, because the mean of its divisors is an integer number (31781962665).

Almost surely, 2^63563925329 is an apocalyptic number.

It is an amenable number.

63563925329 is a deficient number, since it is larger than the sum of its proper divisors (1).

63563925329 is an equidigital number, since it uses as much as digits as its factorization.

63563925329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7873200, while the sum is 53.

The spelling of 63563925329 in words is "sixty-three billion, five hundred sixty-three million, nine hundred twenty-five thousand, three hundred twenty-nine".