3143430449 has 2 divisors, whose sum is σ = 3143430450. Its totient is φ = 3143430448.

The previous prime is 3143430431. The next prime is 3143430469. The reversal of 3143430449 is 9440343413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1864080625 + 1279349824 = 43175^2 + 35768^2 .

It is an emirp because it is prime and its reverse (9440343413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3143430449 - 2⁸ = 3143430193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3143430469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571715224 + 1571715225.

It is an arithmetic number, because the mean of its divisors is an integer number (1571715225).

Almost surely, 2^3143430449 is an apocalyptic number.

It is an amenable number.

3143430449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143430449 is an equidigital number, since it uses as much as digits as its factorization.

3143430449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 3143430449 is about 56066.3040426244. The cubic root of 3143430449 is about 1464.8774216691.

The spelling of 3143430449 in words is "three billion, one hundred forty-three million, four hundred thirty thousand, four hundred forty-nine".