1799680559 has 2 divisors, whose sum is σ = 1799680560. Its totient is φ = 1799680558.

The previous prime is 1799680549. The next prime is 1799680633. The reversal of 1799680559 is 9550869971.

It is a weak prime.

It is an emirp because it is prime and its reverse (9550869971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1799680559 - 2²⁸ = 1531245103 is a prime.

It is a super-2 number, since 2×1799680559² = 6477700228885104962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1799680498 and 1799680507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799680549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899840279 + 899840280.

It is an arithmetic number, because the mean of its divisors is an integer number (899840280).

Almost surely, 2^1799680559 is an apocalyptic number.

1799680559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799680559 is an equidigital number, since it uses as much as digits as its factorization.

1799680559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 59.

The square root of 1799680559 is about 42422.6420558645. The cubic root of 1799680559 is about 1216.3684354246.

The spelling of 1799680559 in words is "one billion, seven hundred ninety-nine million, six hundred eighty thousand, five hundred fifty-nine".