993928099 has 2 divisors, whose sum is σ = 993928100. Its totient is φ = 993928098.

The previous prime is 993928097. The next prime is 993928139. The reversal of 993928099 is 990829399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993928099 - 2¹ = 993928097 is a prime.

Together with 993928097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (993928093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496964049 + 496964050.

It is an arithmetic number, because the mean of its divisors is an integer number (496964050).

Almost surely, 2^993928099 is an apocalyptic number.

993928099 is a deficient number, since it is larger than the sum of its proper divisors (1).

993928099 is an equidigital number, since it uses as much as digits as its factorization.

993928099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 58.

The square root of 993928099 is about 31526.6252396288. The cubic root of 993928099 is about 997.9719226830.

The spelling of 993928099 in words is "nine hundred ninety-three million, nine hundred twenty-eight thousand, ninety-nine".