3143407649 has 2 divisors, whose sum is σ = 3143407650. Its totient is φ = 3143407648.

The previous prime is 3143407621. The next prime is 3143407669. The reversal of 3143407649 is 9467043413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2795025424 + 348382225 = 52868^2 + 18665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143407649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3143407669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571703824 + 1571703825.

It is an arithmetic number, because the mean of its divisors is an integer number (1571703825).

Almost surely, 2^3143407649 is an apocalyptic number.

It is an amenable number.

3143407649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143407649 is an equidigital number, since it uses as much as digits as its factorization.

3143407649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 3143407649 is about 56066.1007115708. The cubic root of 3143407649 is about 1464.8738799666.

The spelling of 3143407649 in words is "three billion, one hundred forty-three million, four hundred seven thousand, six hundred forty-nine".