99819557363 has 4 divisors (see below), whose sum is σ = 100455350880. Its totient is φ = 99183763848.

The previous prime is 99819557333. The next prime is 99819557371. The reversal of 99819557363 is 36375591899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99819557363 - 2¹⁴ = 99819540979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99819557363.

It is not an unprimeable number, because it can be changed into a prime (99819557333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317896523 + ... + 317896836.

It is an arithmetic number, because the mean of its divisors is an integer number (25113837720).

Almost surely, 2^99819557363 is an apocalyptic number.

99819557363 is a deficient number, since it is larger than the sum of its proper divisors (635793517).

99819557363 is a wasteful number, since it uses less digits than its factorization.

99819557363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635793516.

The product of its digits is 55112400, while the sum is 65.

The spelling of 99819557363 in words is "ninety-nine billion, eight hundred nineteen million, five hundred fifty-seven thousand, three hundred sixty-three".