999982499 has 2 divisors, whose sum is σ = 999982500. Its totient is φ = 999982498.

The previous prime is 999982493. The next prime is 999982513. The reversal of 999982499 is 994289999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999982499 - 2²⁴ = 983205283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (999982493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499991249 + 499991250.

It is an arithmetic number, because the mean of its divisors is an integer number (499991250).

Almost surely, 2^999982499 is an apocalyptic number.

999982499 is a deficient number, since it is larger than the sum of its proper divisors (1).

999982499 is an equidigital number, since it uses as much as digits as its factorization.

999982499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34012224, while the sum is 68.

The square root of 999982499 is about 31622.4998853664. The cubic root of 999982499 is about 999.9941662993.

The spelling of 999982499 in words is "nine hundred ninety-nine million, nine hundred eighty-two thousand, four hundred ninety-nine".