3143246389 has 2 divisors, whose sum is σ = 3143246390. Its totient is φ = 3143246388.

The previous prime is 3143246383. The next prime is 3143246419. The reversal of 3143246389 is 9836423413.

3143246389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2702960100 + 440286289 = 51990^2 + 20983^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143246389 - 2⁹ = 3143245877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143246383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571623194 + 1571623195.

It is an arithmetic number, because the mean of its divisors is an integer number (1571623195).

Almost surely, 2^3143246389 is an apocalyptic number.

It is an amenable number.

3143246389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143246389 is an equidigital number, since it uses as much as digits as its factorization.

3143246389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 3143246389 is about 56064.6625692156. The cubic root of 3143246389 is about 1464.8488296997.

The spelling of 3143246389 in words is "three billion, one hundred forty-three million, two hundred forty-six thousand, three hundred eighty-nine".