3144798721 has 8 divisors (see below), whose sum is σ = 3177504000. Its totient is φ = 3112124400.

The previous prime is 3144798719. The next prime is 3144798731. The reversal of 3144798721 is 1278974413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3144798721 - 2¹ = 3144798719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144798731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235810 + ... + 248788.

It is an arithmetic number, because the mean of its divisors is an integer number (397188000).

Almost surely, 2^3144798721 is an apocalyptic number.

It is an amenable number.

3144798721 is a deficient number, since it is larger than the sum of its proper divisors (32705279).

3144798721 is a wasteful number, since it uses less digits than its factorization.

3144798721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479.

The product of its digits is 338688, while the sum is 46.

The square root of 3144798721 is about 56078.5049818556. The cubic root of 3144798721 is about 1465.0899347228.

The spelling of 3144798721 in words is "three billion, one hundred forty-four million, seven hundred ninety-eight thousand, seven hundred twenty-one".