3144143993 has 2 divisors, whose sum is σ = 3144143994. Its totient is φ = 3144143992.

The previous prime is 3144143939. The next prime is 3144144019. The reversal of 3144143993 is 3993414413.

It is a happy number.

Together with previous prime (3144143939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712883769 + 1431260224 = 41387^2 + 37832^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144143993 - 2²² = 3139949689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3144143993.

It is not a weakly prime, because it can be changed into another prime (3144143293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572071996 + 1572071997.

It is an arithmetic number, because the mean of its divisors is an integer number (1572071997).

Almost surely, 2^3144143993 is an apocalyptic number.

It is an amenable number.

3144143993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144143993 is an equidigital number, since it uses as much as digits as its factorization.

3144143993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 3144143993 is about 56072.6670758579. The cubic root of 3144143993 is about 1464.9882533896.

The spelling of 3144143993 in words is "three billion, one hundred forty-four million, one hundred forty-three thousand, nine hundred ninety-three".