3144357921 has 16 divisors (see below), whose sum is σ = 4260130560. Its totient is φ = 2062594560.

The previous prime is 3144357907. The next prime is 3144357967. The reversal of 3144357921 is 1297534413.

It is not a de Polignac number, because 3144357921 - 2⁷ = 3144357793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3144357921.

It is not an unprimeable number, because it can be changed into a prime (3144350921) 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, 46801 + ... + 92081.

It is an arithmetic number, because the mean of its divisors is an integer number (266258160).

Almost surely, 2^3144357921 is an apocalyptic number.

It is an amenable number.

3144357921 is a deficient number, since it is larger than the sum of its proper divisors (1115772639).

3144357921 is a wasteful number, since it uses less digits than its factorization.

3144357921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45656.

The product of its digits is 90720, while the sum is 39.

The square root of 3144357921 is about 56074.5746394924. The cubic root of 3144357921 is about 1465.0214786385.

The spelling of 3144357921 in words is "three billion, one hundred forty-four million, three hundred fifty-seven thousand, nine hundred twenty-one".