99670634533 has 2 divisors, whose sum is σ = 99670634534. Its totient is φ = 99670634532.

The previous prime is 99670634507. The next prime is 99670634563. The reversal of 99670634533 is 33543607699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54292262049 + 45378372484 = 233007^2 + 213022^2 .

It is a cyclic number.

It is not a de Polignac number, because 99670634533 - 2⁵ = 99670634501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99670634563) 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, 49835317266 + 49835317267.

It is an arithmetic number, because the mean of its divisors is an integer number (49835317267).

Almost surely, 2^99670634533 is an apocalyptic number.

It is an amenable number.

99670634533 is a deficient number, since it is larger than the sum of its proper divisors (1).

99670634533 is an equidigital number, since it uses as much as digits as its factorization.

99670634533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 55.

The spelling of 99670634533 in words is "ninety-nine billion, six hundred seventy million, six hundred thirty-four thousand, five hundred thirty-three".