1430013209 has 2 divisors, whose sum is σ = 1430013210. Its totient is φ = 1430013208.

The previous prime is 1430013199. The next prime is 1430013223. The reversal of 1430013209 is 9023100341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127079184 + 302934025 = 33572^2 + 17405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430013209 - 2²⁰ = 1428964633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430013509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715006604 + 715006605.

It is an arithmetic number, because the mean of its divisors is an integer number (715006605).

Almost surely, 2^1430013209 is an apocalyptic number.

It is an amenable number.

1430013209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430013209 is an equidigital number, since it uses as much as digits as its factorization.

1430013209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1430013209 is about 37815.5154533162. The cubic root of 1430013209 is about 1126.6266402203.

The spelling of 1430013209 in words is "one billion, four hundred thirty million, thirteen thousand, two hundred nine".