99517409967403 has 4 divisors (see below), whose sum is σ = 104755168386760. Its totient is φ = 94279651548048.

The previous prime is 99517409967361. The next prime is 99517409967407. The reversal of 99517409967403 is 30476990471599.

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 99517409967403 - 2¹⁷ = 99517409836331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99517409967407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618879209650 + ... + 2618879209687.

It is an arithmetic number, because the mean of its divisors is an integer number (26188792096690).

Almost surely, 2^{99517409967403} is an apocalyptic number.

99517409967403 is a deficient number, since it is larger than the sum of its proper divisors (5237758419357).

99517409967403 is a wasteful number, since it uses less digits than its factorization.

99517409967403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237758419356.

The product of its (nonzero) digits is 462944160, while the sum is 73.

The spelling of 99517409967403 in words is "ninety-nine trillion, five hundred seventeen billion, four hundred nine million, nine hundred sixty-seven thousand, four hundred three".