536561642663 has 2 divisors, whose sum is σ = 536561642664. Its totient is φ = 536561642662.

The previous prime is 536561642641. The next prime is 536561642677. The reversal of 536561642663 is 366246165635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 536561642663 - 2¹⁰ = 536561641639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536561642623) 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, 268280821331 + 268280821332.

It is an arithmetic number, because the mean of its divisors is an integer number (268280821332).

Almost surely, 2^536561642663 is an apocalyptic number.

536561642663 is a deficient number, since it is larger than the sum of its proper divisors (1).

536561642663 is an equidigital number, since it uses as much as digits as its factorization.

536561642663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 53.

The spelling of 536561642663 in words is "five hundred thirty-six billion, five hundred sixty-one million, six hundred forty-two thousand, six hundred sixty-three".