2851951068 has 18 divisors (see below), whose sum is σ = 7209098624. Its totient is φ = 950650344.

The previous prime is 2851951061. The next prime is 2851951087. The reversal of 2851951068 is 8601591582.

It is a happy number.

2851951068 is a `hidden beast` number, since 28 + 51 + 9 + 510 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851951061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39610396 + ... + 39610467.

Almost surely, 2^2851951068 is an apocalyptic number.

It is an amenable number.

2851951068 is an abundant number, since it is smaller than the sum of its proper divisors (4357147556).

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

2851951068 is a wasteful number, since it uses less digits than its factorization.

2851951068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79220873 (or 79220868 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 2851951068 is about 53403.6615598594. The cubic root of 2851951068 is about 1418.1234001981.

The spelling of 2851951068 in words is "two billion, eight hundred fifty-one million, nine hundred fifty-one thousand, sixty-eight".