1304242543099 has 2 divisors, whose sum is σ = 1304242543100. Its totient is φ = 1304242543098.

The previous prime is 1304242543091. The next prime is 1304242543129. The reversal of 1304242543099 is 9903452424031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304242543099 - 2³ = 1304242543091 is a prime.

It is a super-2 number, since 2×1304242543099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304242543091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652121271549 + 652121271550.

It is an arithmetic number, because the mean of its divisors is an integer number (652121271550).

Almost surely, 2^{1304242543099} is an apocalyptic number.

1304242543099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304242543099 is an equidigital number, since it uses as much as digits as its factorization.

1304242543099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 1304242543099 in words is "one trillion, three hundred four billion, two hundred forty-two million, five hundred forty-three thousand, ninety-nine".