63534264236623 has 2 divisors, whose sum is σ = 63534264236624. Its totient is φ = 63534264236622.

The previous prime is 63534264236621. The next prime is 63534264236647. The reversal of 63534264236623 is 32663246243536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63534264236623 - 2¹ = 63534264236621 is a prime.

Together with 63534264236621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63534264236621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31767132118311 + 31767132118312.

It is an arithmetic number, because the mean of its divisors is an integer number (31767132118312).

Almost surely, 2^{63534264236623} is an apocalyptic number.

63534264236623 is a deficient number, since it is larger than the sum of its proper divisors (1).

63534264236623 is an equidigital number, since it uses as much as digits as its factorization.

63534264236623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 55.

The spelling of 63534264236623 in words is "sixty-three trillion, five hundred thirty-four billion, two hundred sixty-four million, two hundred thirty-six thousand, six hundred twenty-three".