3144931489 has 4 divisors (see below), whose sum is σ = 3594207424. Its totient is φ = 2695655556.

The previous prime is 3144931459. The next prime is 3144931523. The reversal of 3144931489 is 9841394413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144931489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144931409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224637957 + ... + 224637970.

It is an arithmetic number, because the mean of its divisors is an integer number (898551856).

Almost surely, 2^3144931489 is an apocalyptic number.

It is an amenable number.

3144931489 is a deficient number, since it is larger than the sum of its proper divisors (449275935).

3144931489 is an equidigital number, since it uses as much as digits as its factorization.

3144931489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449275934.

The product of its digits is 373248, while the sum is 46.

The square root of 3144931489 is about 56079.6887384372. The cubic root of 3144931489 is about 1465.1105522928.

The spelling of 3144931489 in words is "three billion, one hundred forty-four million, nine hundred thirty-one thousand, four hundred eighty-nine".