1330543469 has 2 divisors, whose sum is σ = 1330543470. Its totient is φ = 1330543468.

The previous prime is 1330543447. The next prime is 1330543481. The reversal of 1330543469 is 9643450331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913852900 + 416690569 = 30230^2 + 20413^2 .

It is an emirp because it is prime and its reverse (9643450331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330543469 - 2⁸ = 1330543213 is a prime.

It is a super-2 number, since 2×1330543469² = 3540691845797107922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330543499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665271734 + 665271735.

It is an arithmetic number, because the mean of its divisors is an integer number (665271735).

Almost surely, 2^1330543469 is an apocalyptic number.

It is an amenable number.

1330543469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330543469 is an equidigital number, since it uses as much as digits as its factorization.

1330543469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 1330543469 is about 36476.6153720435. The cubic root of 1330543469 is about 1099.8742195024.

The spelling of 1330543469 in words is "one billion, three hundred thirty million, five hundred forty-three thousand, four hundred sixty-nine".