63198020233687 has 2 divisors, whose sum is σ = 63198020233688. Its totient is φ = 63198020233686.

The previous prime is 63198020233651. The next prime is 63198020233763. The reversal of 63198020233687 is 78633202089136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63198020233687 - 2¹⁹ = 63198019709399 is a prime.

It is a super-2 number, since 2×63198020233687² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63198020233637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31599010116843 + 31599010116844.

It is an arithmetic number, because the mean of its divisors is an integer number (31599010116844).

Almost surely, 2^{63198020233687} is an apocalyptic number.

63198020233687 is a deficient number, since it is larger than the sum of its proper divisors (1).

63198020233687 is an equidigital number, since it uses as much as digits as its factorization.

63198020233687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 63198020233687 in words is "sixty-three trillion, one hundred ninety-eight billion, twenty million, two hundred thirty-three thousand, six hundred eighty-seven".