3145304989 has 2 divisors, whose sum is σ = 3145304990. Its totient is φ = 3145304988.

The previous prime is 3145304977. The next prime is 3145305067. The reversal of 3145304989 is 9894035413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3142499364 + 2805625 = 56058^2 + 1675^2 .

It is an emirp because it is prime and its reverse (9894035413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3145304989 - 2⁵ = 3145304957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145304909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572652494 + 1572652495.

It is an arithmetic number, because the mean of its divisors is an integer number (1572652495).

Almost surely, 2^3145304989 is an apocalyptic number.

It is an amenable number.

3145304989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145304989 is an equidigital number, since it uses as much as digits as its factorization.

3145304989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 3145304989 is about 56083.0187222478. The cubic root of 3145304989 is about 1465.1685500724.

The spelling of 3145304989 in words is "three billion, one hundred forty-five million, three hundred four thousand, nine hundred eighty-nine".