3147885493 has 2 divisors, whose sum is σ = 3147885494. Its totient is φ = 3147885492.

The previous prime is 3147885467. The next prime is 3147885523. The reversal of 3147885493 is 3945887413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2240791569 + 907093924 = 47337^2 + 30118^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147885493 - 2⁹ = 3147884981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3147885493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3147885443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573942746 + 1573942747.

It is an arithmetic number, because the mean of its divisors is an integer number (1573942747).

Almost surely, 2^3147885493 is an apocalyptic number.

It is an amenable number.

3147885493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147885493 is an equidigital number, since it uses as much as digits as its factorization.

3147885493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The square root of 3147885493 is about 56106.0201137097. The cubic root of 3147885493 is about 1465.5691301758.

The spelling of 3147885493 in words is "three billion, one hundred forty-seven million, eight hundred eighty-five thousand, four hundred ninety-three".