2990998818 has 64 divisors (see below), whose sum is σ = 6711667200. Its totient is φ = 987299280.

The previous prime is 2990998811. The next prime is 2990998837. The reversal of 2990998818 is 8188990992.

It is not an unprimeable number, because it can be changed into a prime (2990998811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3687633 + ... + 3688443.

It is an arithmetic number, because the mean of its divisors is an integer number (104869800).

Almost surely, 2^2990998818 is an apocalyptic number.

2990998818 is an abundant number, since it is smaller than the sum of its proper divisors (3720668382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2990998818 is a wasteful number, since it uses less digits than its factorization.

2990998818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 63.

The square root of 2990998818 is about 54690.0248491441. The cubic root of 2990998818 is about 1440.8056862837.

The spelling of 2990998818 in words is "two billion, nine hundred ninety million, nine hundred ninety-eight thousand, eight hundred eighteen".