2919331872 has 72 divisors (see below), whose sum is σ = 8407002240. Its totient is φ = 960785280.

The previous prime is 2919331867. The next prime is 2919331873. The reversal of 2919331872 is 2781339192.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (2919331873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41404 + ... + 86907.

It is an arithmetic number, because the mean of its divisors is an integer number (116763920).

Almost surely, 2^2919331872 is an apocalyptic number.

It is an amenable number.

2919331872 is an abundant number, since it is smaller than the sum of its proper divisors (5487670368).

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

2919331872 is a wasteful number, since it uses less digits than its factorization.

2919331872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128406 (or 128395 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 2919331872 is about 54030.8418590716. The cubic root of 2919331872 is about 1429.2048772194.

The spelling of 2919331872 in words is "two billion, nine hundred nineteen million, three hundred thirty-one thousand, eight hundred seventy-two".