3146219689 has 2 divisors, whose sum is σ = 3146219690. Its totient is φ = 3146219688.

The previous prime is 3146219683. The next prime is 3146219711. The reversal of 3146219689 is 9869126413.

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., 3136560025 + 9659664 = 56005^2 + 3108^2 .

It is a cyclic number.

It is not a de Polignac number, because 3146219689 - 2⁷ = 3146219561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3146219683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573109844 + 1573109845.

It is an arithmetic number, because the mean of its divisors is an integer number (1573109845).

Almost surely, 2^3146219689 is an apocalyptic number.

It is an amenable number.

3146219689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146219689 is an equidigital number, since it uses as much as digits as its factorization.

3146219689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 3146219689 is about 56091.1730043150. The cubic root of 3146219689 is about 1465.3105670133.

The spelling of 3146219689 in words is "three billion, one hundred forty-six million, two hundred nineteen thousand, six hundred eighty-nine".