2943521672 has 192 divisors, whose sum is σ = 7195852800. Its totient is φ = 1103880960.

The previous prime is 2943521639. The next prime is 2943521677. The reversal of 2943521672 is 2761253492.

2943521672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943521677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23177273 + ... + 23177399.

It is an arithmetic number, because the mean of its divisors is an integer number (37478400).

Almost surely, 2^2943521672 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 2943521672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597926400).

2943521672 is an abundant number, since it is smaller than the sum of its proper divisors (4252331128).

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

2943521672 is a wasteful number, since it uses less digits than its factorization.

2943521672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 259 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 2943521672 is about 54254.2318349454. The cubic root of 2943521672 is about 1433.1415231821.

The spelling of 2943521672 in words is "two billion, nine hundred forty-three million, five hundred twenty-one thousand, six hundred seventy-two".