2049791672 has 16 divisors (see below), whose sum is σ = 3967339200. Its totient is φ = 991834560.

The previous prime is 2049791669. The next prime is 2049791699. The reversal of 2049791672 is 2761979402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4132397 + ... + 4132892.

It is an arithmetic number, because the mean of its divisors is an integer number (247958700).

Almost surely, 2^2049791672 is an apocalyptic number.

It is an amenable number.

2049791672 is a deficient number, since it is larger than the sum of its proper divisors (1917547528).

2049791672 is a wasteful number, since it uses less digits than its factorization.

2049791672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265326 (or 8265322 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 2049791672 is about 45274.6250343390. The cubic root of 2049791672 is about 1270.2910594186.

The spelling of 2049791672 in words is "two billion, forty-nine million, seven hundred ninety-one thousand, six hundred seventy-two".