1645830599359 has 2 divisors, whose sum is σ = 1645830599360. Its totient is φ = 1645830599358.

The previous prime is 1645830599341. The next prime is 1645830599389. The reversal of 1645830599359 is 9539950385461.

It is a weak prime.

It is an emirp because it is prime and its reverse (9539950385461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1645830599359 - 2⁵ = 1645830599327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1645830599294 and 1645830599303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1645830599389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822915299679 + 822915299680.

It is an arithmetic number, because the mean of its divisors is an integer number (822915299680).

Almost surely, 2^{1645830599359} is an apocalyptic number.

1645830599359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1645830599359 is an equidigital number, since it uses as much as digits as its factorization.

1645830599359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464000, while the sum is 67.

The spelling of 1645830599359 in words is "one trillion, six hundred forty-five billion, eight hundred thirty million, five hundred ninety-nine thousand, three hundred fifty-nine".