1430340469 has 2 divisors, whose sum is σ = 1430340470. Its totient is φ = 1430340468.

The previous prime is 1430340451. The next prime is 1430340479. The reversal of 1430340469 is 9640430341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803439025 + 626901444 = 28345^2 + 25038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430340469 - 2⁹ = 1430339957 is a prime.

It is a super-2 number, since 2×1430340469² = 4091747714518279922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430340419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715170234 + 715170235.

It is an arithmetic number, because the mean of its divisors is an integer number (715170235).

Almost surely, 2^1430340469 is an apocalyptic number.

It is an amenable number.

1430340469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430340469 is an equidigital number, since it uses as much as digits as its factorization.

1430340469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1430340469 is about 37819.8422656679. The cubic root of 1430340469 is about 1126.7125768885.

The spelling of 1430340469 in words is "one billion, four hundred thirty million, three hundred forty thousand, four hundred sixty-nine".