99670634563 has 2 divisors, whose sum is σ = 99670634564. Its totient is φ = 99670634562.

The previous prime is 99670634533. The next prime is 99670634593. The reversal of 99670634563 is 36543607699.

It is a balanced prime because it is at equal distance from previous prime (99670634533) and next prime (99670634593).

It is a cyclic number.

It is not a de Polignac number, because 99670634563 - 2²¹ = 99668537411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99670634498 and 99670634507.

It is not a weakly prime, because it can be changed into another prime (99670634533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49835317281 + 49835317282.

It is an arithmetic number, because the mean of its divisors is an integer number (49835317282).

Almost surely, 2^99670634563 is an apocalyptic number.

99670634563 is a deficient number, since it is larger than the sum of its proper divisors (1).

99670634563 is an equidigital number, since it uses as much as digits as its factorization.

99670634563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 58.

The spelling of 99670634563 in words is "ninety-nine billion, six hundred seventy million, six hundred thirty-four thousand, five hundred sixty-three".