2851773469272 has 384 divisors, whose sum is σ = 10010470579200. Its totient is φ = 712228598784.

The previous prime is 2851773469247. The next prime is 2851773469301. The reversal of 2851773469272 is 2729643771582.

It is a happy number.

2851773469272 is a `hidden beast` number, since 2 + 8 + 5 + 17 + 7 + 346 + 9 + 272 = 666.

It is a super-2 number, since 2×2851773469272² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 498820558 + ... + 498826274.

It is an arithmetic number, because the mean of its divisors is an integer number (26068933800).

Almost surely, 2^{2851773469272} 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 2851773469272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5005235289600).

2851773469272 is an abundant number, since it is smaller than the sum of its proper divisors (7158697109928).

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

2851773469272 is a wasteful number, since it uses less digits than its factorization.

2851773469272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775 (or 9768 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 2851773469272 in words is "two trillion, eight hundred fifty-one billion, seven hundred seventy-three million, four hundred sixty-nine thousand, two hundred seventy-two".