99493759668 has 48 divisors (see below), whose sum is σ = 237589208640. Its totient is φ = 32396838144.

The previous prime is 99493759667. The next prime is 99493759693. The reversal of 99493759668 is 86695739499.

It is a self number, because there is not a number n which added to its sum of digits gives 99493759668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99493759661) 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 in 15 ways as a sum of consecutive naturals, for example, 472555 + ... + 649842.

It is an arithmetic number, because the mean of its divisors is an integer number (4949775180).

Almost surely, 2^99493759668 is an apocalyptic number.

It is an amenable number.

99493759668 is an abundant number, since it is smaller than the sum of its proper divisors (138095448972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99493759668 is a wasteful number, since it uses less digits than its factorization.

99493759668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122576 (or 1122574 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 75.

The spelling of 99493759668 in words is "ninety-nine billion, four hundred ninety-three million, seven hundred fifty-nine thousand, six hundred sixty-eight".