63616630406503 has 2 divisors, whose sum is σ = 63616630406504. Its totient is φ = 63616630406502.

The previous prime is 63616630406477. The next prime is 63616630406507. The reversal of 63616630406503 is 30560403661636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63616630406503 - 2²⁵ = 63616596852071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63616630406507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31808315203251 + 31808315203252.

It is an arithmetic number, because the mean of its divisors is an integer number (31808315203252).

Almost surely, 2^{63616630406503} is an apocalyptic number.

63616630406503 is a deficient number, since it is larger than the sum of its proper divisors (1).

63616630406503 is an equidigital number, since it uses as much as digits as its factorization.

63616630406503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 49.

The spelling of 63616630406503 in words is "sixty-three trillion, six hundred sixteen billion, six hundred thirty million, four hundred six thousand, five hundred three".