8490992999 has 4 divisors (see below), whose sum is σ = 8502300000. Its totient is φ = 8479686000.

The previous prime is 8490992981. The next prime is 8490993019. The reversal of 8490992999 is 9992990948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8490992999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490992929) 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, 5652374 + ... + 5653875.

It is an arithmetic number, because the mean of its divisors is an integer number (2125575000).

Almost surely, 2^8490992999 is an apocalyptic number.

8490992999 is a deficient number, since it is larger than the sum of its proper divisors (11307001).

8490992999 is a wasteful number, since it uses less digits than its factorization.

8490992999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307000.

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

The square root of 8490992999 is about 92146.5843045742. The cubic root of 8490992999 is about 2040.1064438083.

The spelling of 8490992999 in words is "eight billion, four hundred ninety million, nine hundred ninety-two thousand, nine hundred ninety-nine".