99526643 has 2 divisors, whose sum is σ = 99526644. Its totient is φ = 99526642.

The previous prime is 99526631. The next prime is 99526657. The reversal of 99526643 is 34662599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99526643 - 2⁴ = 99526627 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 99526594 and 99526603.

It is not a weakly prime, because it can be changed into another prime (99526613) 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, 49763321 + 49763322.

It is an arithmetic number, because the mean of its divisors is an integer number (49763322).

Almost surely, 2^99526643 is an apocalyptic number.

99526643 is a deficient number, since it is larger than the sum of its proper divisors (1).

99526643 is an equidigital number, since it uses as much as digits as its factorization.

99526643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 99526643 is about 9976.3040751573. The cubic root of 99526643 is about 463.4253485396.

The spelling of 99526643 in words is "ninety-nine million, five hundred twenty-six thousand, six hundred forty-three".