3144985187 has 2 divisors, whose sum is σ = 3144985188. Its totient is φ = 3144985186.

The previous prime is 3144985153. The next prime is 3144985199. The reversal of 3144985187 is 7815894413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144985187 is a prime.

It is not a weakly prime, because it can be changed into another prime (3144985387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572492593 + 1572492594.

It is an arithmetic number, because the mean of its divisors is an integer number (1572492594).

Almost surely, 2^3144985187 is an apocalyptic number.

3144985187 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144985187 is an equidigital number, since it uses as much as digits as its factorization.

3144985187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The square root of 3144985187 is about 56080.1675015330. The cubic root of 3144985187 is about 1465.1188909014.

The spelling of 3144985187 in words is "three billion, one hundred forty-four million, nine hundred eighty-five thousand, one hundred eighty-seven".