99753224909 has 32 divisors (see below), whose sum is σ = 111705871200. Its totient is φ = 88504565760.

The previous prime is 99753224897. The next prime is 99753224953. The reversal of 99753224909 is 90942235799.

It can be written as a sum of positive squares in 16 ways, for example, as 75213062500 + 24540162409 = 274250^2 + 156653^2 .

It is a de Polignac number, because none of the positive numbers 2^k-99753224909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99753224969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6301997 + ... + 6317805.

It is an arithmetic number, because the mean of its divisors is an integer number (3490808475).

Almost surely, 2^99753224909 is an apocalyptic number.

It is an amenable number.

99753224909 is a deficient number, since it is larger than the sum of its proper divisors (11952646291).

99753224909 is a wasteful number, since it uses less digits than its factorization.

99753224909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 99753224909 in words is "ninety-nine billion, seven hundred fifty-three million, two hundred twenty-four thousand, nine hundred nine".