9992917499 has 2 divisors, whose sum is σ = 9992917500. Its totient is φ = 9992917498.

The previous prime is 9992917471. The next prime is 9992917537. The reversal of 9992917499 is 9947192999.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9947192999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9992917499 - 2⁸ = 9992917243 is a prime.

It is not a weakly prime, because it can be changed into another prime (9992917199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996458749 + 4996458750.

It is an arithmetic number, because the mean of its divisors is an integer number (4996458750).

Almost surely, 2^9992917499 is an apocalyptic number.

9992917499 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992917499 is an equidigital number, since it uses as much as digits as its factorization.

9992917499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29760696, while the sum is 68.

The square root of 9992917499 is about 99964.5812225510. The cubic root of 9992917499 is about 2153.9259437115.

The spelling of 9992917499 in words is "nine billion, nine hundred ninety-two million, nine hundred seventeen thousand, four hundred ninety-nine".