9930745999 has 4 divisors (see below), whose sum is σ = 9962473936. Its totient is φ = 9899018064.

The previous prime is 9930745969. The next prime is 9930746029. The reversal of 9930745999 is 9995470399.

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

It is an interprime number because it is at equal distance from previous prime (9930745969) and next prime (9930746029).

It is a cyclic number.

It is not a de Polignac number, because 9930745999 - 2⁵ = 9930745967 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 9930745999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930745919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15863499 + ... + 15864124.

It is an arithmetic number, because the mean of its divisors is an integer number (2490618484).

Almost surely, 2^9930745999 is an apocalyptic number.

9930745999 is a deficient number, since it is larger than the sum of its proper divisors (31727937).

9930745999 is a wasteful number, since it uses less digits than its factorization.

9930745999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31727936.

The product of its (nonzero) digits is 24800580, while the sum is 64.

The square root of 9930745999 is about 99653.1283954498. The cubic root of 9930745999 is about 2149.4497238927.

The spelling of 9930745999 in words is "nine billion, nine hundred thirty million, seven hundred forty-five thousand, nine hundred ninety-nine".