99926549 has 2 divisors, whose sum is σ = 99926550. Its totient is φ = 99926548.

The previous prime is 99926543. The next prime is 99926557. The reversal of 99926549 is 94562999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99640324 + 286225 = 9982^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 99926549 - 2²⁰ = 98877973 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99926549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99926543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49963274 + 49963275.

It is an arithmetic number, because the mean of its divisors is an integer number (49963275).

Almost surely, 2^99926549 is an apocalyptic number.

It is an amenable number.

99926549 is a deficient number, since it is larger than the sum of its proper divisors (1).

99926549 is an equidigital number, since it uses as much as digits as its factorization.

99926549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 53.

The square root of 99926549 is about 9996.3267753710. The cubic root of 99926549 is about 464.0452124121.

The spelling of 99926549 in words is "ninety-nine million, nine hundred twenty-six thousand, five hundred forty-nine".