2851940521812 has 24 divisors (see below), whose sum is σ = 6654796271200. Its totient is φ = 950608499616.

The previous prime is 2851940521789. The next prime is 2851940521823. The reversal of 2851940521812 is 2181250491582.

It is a super-3 number, since 3×2851940521812³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4481887 + ... + 5078502.

Almost surely, 2^{2851940521812} is an apocalyptic number.

It is an amenable number.

2851940521812 is an abundant number, since it is smaller than the sum of its proper divisors (3802855749388).

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

2851940521812 is a wasteful number, since it uses less digits than its factorization.

2851940521812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585255 (or 9585253 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 2851940521812 in words is "two trillion, eight hundred fifty-one billion, nine hundred forty million, five hundred twenty-one thousand, eight hundred twelve".