3144728889 has 24 divisors (see below), whose sum is σ = 4747279680. Its totient is φ = 2002204512.

The previous prime is 3144728879. The next prime is 3144728897. The reversal of 3144728889 is 9888274413.

It is a happy number.

3144728889 is a `hidden beast` number, since 3 + 14 + 472 + 88 + 89 = 666.

3144728889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3144728889 - 2²⁵ = 3111174457 is a prime.

It is a super-2 number, since 2×3144728889² = 19778639570622348642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3144728819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124887 + ... + 147939.

It is an arithmetic number, because the mean of its divisors is an integer number (197803320).

Almost surely, 2^3144728889 is an apocalyptic number.

It is an amenable number.

3144728889 is a deficient number, since it is larger than the sum of its proper divisors (1602550791).

3144728889 is a wasteful number, since it uses less digits than its factorization.

3144728889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23741 (or 23738 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 3144728889 is about 56077.8823512443. The cubic root of 3144728889 is about 1465.0790902643.

The spelling of 3144728889 in words is "three billion, one hundred forty-four million, seven hundred twenty-eight thousand, eight hundred eighty-nine".