2851966890 has 48 divisors (see below), whose sum is σ = 7525803168. Its totient is φ = 749171808.

The previous prime is 2851966889. The next prime is 2851966967. The reversal of 2851966890 is 986691582.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230452 + ... + 242511.

It is an arithmetic number, because the mean of its divisors is an integer number (156787566).

Almost surely, 2^2851966890 is an apocalyptic number.

2851966890 is an abundant number, since it is smaller than the sum of its proper divisors (4673836278).

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

2851966890 is a wasteful number, since it uses less digits than its factorization.

2851966890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473043 (or 473040 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 2851966890 is about 53403.8096955639. The cubic root of 2851966890 is about 1418.1260226726.

The spelling of 2851966890 in words is "two billion, eight hundred fifty-one million, nine hundred sixty-six thousand, eight hundred ninety".