63464315987 has 2 divisors, whose sum is σ = 63464315988. Its totient is φ = 63464315986.

The previous prime is 63464315953. The next prime is 63464315989. The reversal of 63464315987 is 78951346436.

63464315987 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 is a cyclic number.

It is not a de Polignac number, because 63464315987 - 2³⁰ = 62390574163 is a prime.

Together with 63464315989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63464315989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31732157993 + 31732157994.

It is an arithmetic number, because the mean of its divisors is an integer number (31732157994).

Almost surely, 2^63464315987 is an apocalyptic number.

63464315987 is a deficient number, since it is larger than the sum of its proper divisors (1).

63464315987 is an equidigital number, since it uses as much as digits as its factorization.

63464315987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 56.

The spelling of 63464315987 in words is "sixty-three billion, four hundred sixty-four million, three hundred fifteen thousand, nine hundred eighty-seven".