2891550472848 has 480 divisors, whose sum is σ = 9169965941760. Its totient is φ = 846204226560.

The previous prime is 2891550472843. The next prime is 2891550472883. The reversal of 2891550472848 is 8482740551982.

2891550472848 is a `hidden beast` number, since 2 + 8 + 9 + 1 + 550 + 4 + 72 + 8 + 4 + 8 = 666.

2891550472848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2891550472848² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2891550472843) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 257181115 + ... + 257192357.

It is an arithmetic number, because the mean of its divisors is an integer number (19104095712).

Almost surely, 2^{2891550472848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2891550472848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4584982970880).

2891550472848 is an abundant number, since it is smaller than the sum of its proper divisors (6278415468912).

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

2891550472848 is a wasteful number, since it uses less digits than its factorization.

2891550472848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11427 (or 11418 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 2891550472848 in words is "two trillion, eight hundred ninety-one billion, five hundred fifty million, four hundred seventy-two thousand, eight hundred forty-eight".