2851331990 has 32 divisors (see below), whose sum is σ = 5597182080. Its totient is φ = 1039469184.

The previous prime is 2851331971. The next prime is 2851332017. The reversal of 2851331990 is 991331582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128549 + ... + 149088.

It is an arithmetic number, because the mean of its divisors is an integer number (174911940).

Almost surely, 2^2851331990 is an apocalyptic number.

2851331990 is a deficient number, since it is larger than the sum of its proper divisors (2745850090).

2851331990 is a wasteful number, since it uses less digits than its factorization.

2851331990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277736.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2851331990 is about 53397.8650322276. The cubic root of 2851331990 is about 1418.0207812647.

The spelling of 2851331990 in words is "two billion, eight hundred fifty-one million, three hundred thirty-one thousand, nine hundred ninety".