63613167523 has 2 divisors, whose sum is σ = 63613167524. Its totient is φ = 63613167522.

The previous prime is 63613167509. The next prime is 63613167577. The reversal of 63613167523 is 32576131636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63613167523 - 2¹³ = 63613159331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63613167523.

It is not a weakly prime, because it can be changed into another prime (63611167523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31806583761 + 31806583762.

It is an arithmetic number, because the mean of its divisors is an integer number (31806583762).

Almost surely, 2^63613167523 is an apocalyptic number.

63613167523 is a deficient number, since it is larger than the sum of its proper divisors (1).

63613167523 is an equidigital number, since it uses as much as digits as its factorization.

63613167523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The spelling of 63613167523 in words is "sixty-three billion, six hundred thirteen million, one hundred sixty-seven thousand, five hundred twenty-three".