99539948663 has 2 divisors, whose sum is σ = 99539948664. Its totient is φ = 99539948662.

The previous prime is 99539948647. The next prime is 99539948681. The reversal of 99539948663 is 36684993599.

It is a weak prime.

It is an emirp because it is prime and its reverse (36684993599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99539948663 - 2⁴ = 99539948647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99539948603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49769974331 + 49769974332.

It is an arithmetic number, because the mean of its divisors is an integer number (49769974332).

Almost surely, 2^99539948663 is an apocalyptic number.

99539948663 is a deficient number, since it is larger than the sum of its proper divisors (1).

99539948663 is an equidigital number, since it uses as much as digits as its factorization.

99539948663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340122240, while the sum is 71.

The spelling of 99539948663 in words is "ninety-nine billion, five hundred thirty-nine million, nine hundred forty-eight thousand, six hundred sixty-three".