99813453 has 8 divisors (see below), whose sum is σ = 133154400. Its totient is φ = 66507408.

The previous prime is 99813421. The next prime is 99813463. The reversal of 99813453 is 35431899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99813453 - 2⁵ = 99813421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99813463) 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 in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 14171.

It is an arithmetic number, because the mean of its divisors is an integer number (16644300).

Almost surely, 2^99813453 is an apocalyptic number.

It is an amenable number.

99813453 is a deficient number, since it is larger than the sum of its proper divisors (33340947).

99813453 is a wasteful number, since it uses less digits than its factorization.

99813453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451.

The product of its digits is 116640, while the sum is 42.

The square root of 99813453 is about 9990.6682959650. The cubic root of 99813453 is about 463.8700788773.

The spelling of 99813453 in words is "ninety-nine million, eight hundred thirteen thousand, four hundred fifty-three".