2921141172 has 48 divisors (see below), whose sum is σ = 6871092480. Its totient is φ = 965876352.

The previous prime is 2921141147. The next prime is 2921141177. The reversal of 2921141172 is 2711411292.

2921141172 is digitally balanced in base 2 and base 4, because in such bases 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 (2921141177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792598 + ... + 796274.

It is an arithmetic number, because the mean of its divisors is an integer number (143147760).

Almost surely, 2^2921141172 is an apocalyptic number.

It is an amenable number.

2921141172 is an abundant number, since it is smaller than the sum of its proper divisors (3949951308).

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

2921141172 is a wasteful number, since it uses less digits than its factorization.

2921141172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200 (or 4198 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 2921141172 is about 54047.5824806253. The cubic root of 2921141172 is about 1429.5000733434.

The spelling of 2921141172 in words is "two billion, nine hundred twenty-one million, one hundred forty-one thousand, one hundred seventy-two".