1828319609 has 2 divisors, whose sum is σ = 1828319610. Its totient is φ = 1828319608.

The previous prime is 1828319569. The next prime is 1828319639. The reversal of 1828319609 is 9069138281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1654211584 + 174108025 = 40672^2 + 13195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828319609 - 2²⁴ = 1811542393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1828319639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914159804 + 914159805.

It is an arithmetic number, because the mean of its divisors is an integer number (914159805).

Almost surely, 2^1828319609 is an apocalyptic number.

It is an amenable number.

1828319609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828319609 is an equidigital number, since it uses as much as digits as its factorization.

1828319609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1828319609 is about 42758.8541591095. The cubic root of 1828319609 is about 1222.7866982318.

The spelling of 1828319609 in words is "one billion, eight hundred twenty-eight million, three hundred nineteen thousand, six hundred nine".