63631652533 has 2 divisors, whose sum is σ = 63631652534. Its totient is φ = 63631652532.

The previous prime is 63631652507. The next prime is 63631652549. The reversal of 63631652533 is 33525613636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43227815569 + 20403836964 = 207913^2 + 142842^2 .

It is a cyclic number.

It is not a de Polignac number, because 63631652533 - 2¹³ = 63631644341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63631652533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63631652503) 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, 31815826266 + 31815826267.

It is an arithmetic number, because the mean of its divisors is an integer number (31815826267).

Almost surely, 2^63631652533 is an apocalyptic number.

It is an amenable number.

63631652533 is a deficient number, since it is larger than the sum of its proper divisors (1).

63631652533 is an equidigital number, since it uses as much as digits as its factorization.

63631652533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 43.

The spelling of 63631652533 in words is "sixty-three billion, six hundred thirty-one million, six hundred fifty-two thousand, five hundred thirty-three".