1799845449 has 16 divisors (see below), whose sum is σ = 2418333120. Its totient is φ = 1190664000.

The previous prime is 1799845447. The next prime is 1799845459. The reversal of 1799845449 is 9445489971.

It is not a de Polignac number, because 1799845449 - 2¹ = 1799845447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1799845392 and 1799845401.

It is not an unprimeable number, because it can be changed into a prime (1799845447) 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 in 15 ways as a sum of consecutive naturals, for example, 204267 + ... + 212895.

It is an arithmetic number, because the mean of its divisors is an integer number (151145820).

Almost surely, 2^1799845449 is an apocalyptic number.

It is an amenable number.

1799845449 is a deficient number, since it is larger than the sum of its proper divisors (618487671).

1799845449 is a wasteful number, since it uses less digits than its factorization.

1799845449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its digits is 13063680, while the sum is 60.

The square root of 1799845449 is about 42424.5854310917. The cubic root of 1799845449 is about 1216.4055829182.

The spelling of 1799845449 in words is "one billion, seven hundred ninety-nine million, eight hundred forty-five thousand, four hundred forty-nine".