2721909192 has 16 divisors (see below), whose sum is σ = 6804773040. Its totient is φ = 907303056.

The previous prime is 2721909191. The next prime is 2721909193. The reversal of 2721909192 is 2919091272.

It is an interprime number because it is at equal distance from previous prime (2721909191) and next prime (2721909193).

It is not an unprimeable number, because it can be changed into a prime (2721909191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56706418 + ... + 56706465.

It is an arithmetic number, because the mean of its divisors is an integer number (425298315).

Almost surely, 2^2721909192 is an apocalyptic number.

It is an amenable number.

2721909192 is an abundant number, since it is smaller than the sum of its proper divisors (4082863848).

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

2721909192 is a wasteful number, since it uses less digits than its factorization.

2721909192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113412892 (or 113412888 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 2721909192 is about 52171.9195736557. The cubic root of 2721909192 is about 1396.2329326724.

The spelling of 2721909192 in words is "two billion, seven hundred twenty-one million, nine hundred nine thousand, one hundred ninety-two".