3047420309 has 2 divisors, whose sum is σ = 3047420310. Its totient is φ = 3047420308.

The previous prime is 3047420303. The next prime is 3047420333. The reversal of 3047420309 is 9030247403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2798727409 + 248692900 = 52903^2 + 15770^2 .

It is a cyclic number.

It is not a de Polignac number, because 3047420309 - 2²⁸ = 2778984853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3047420303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523710154 + 1523710155.

It is an arithmetic number, because the mean of its divisors is an integer number (1523710155).

Almost surely, 2^3047420309 is an apocalyptic number.

It is an amenable number.

3047420309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3047420309 is an equidigital number, since it uses as much as digits as its factorization.

3047420309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 3047420309 is about 55203.4447204158. Note that the first 3 decimals coincide. The cubic root of 3047420309 is about 1449.8089814164.

The spelling of 3047420309 in words is "three billion, forty-seven million, four hundred twenty thousand, three hundred nine".