1304342089 has 2 divisors, whose sum is σ = 1304342090. Its totient is φ = 1304342088.

The previous prime is 1304342063. The next prime is 1304342099. The reversal of 1304342089 is 9802434031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073545225 + 230796864 = 32765^2 + 15192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304342089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304342009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652171044 + 652171045.

It is an arithmetic number, because the mean of its divisors is an integer number (652171045).

Almost surely, 2^1304342089 is an apocalyptic number.

It is an amenable number.

1304342089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304342089 is an equidigital number, since it uses as much as digits as its factorization.

1304342089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1304342089 is about 36115.6764992711. The cubic root of 1304342089 is about 1092.6066416994.

The spelling of 1304342089 in words is "one billion, three hundred four million, three hundred forty-two thousand, eighty-nine".