1799944065 has 16 divisors (see below), whose sum is σ = 3199900800. Its totient is φ = 959970096.

The previous prime is 1799944033. The next prime is 1799944067. The reversal of 1799944065 is 5604499971.

It is a happy number.

1799944065 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1799944065 - 2⁵ = 1799944033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1799944067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6666325 + ... + 6666594.

It is an arithmetic number, because the mean of its divisors is an integer number (199993800).

Almost surely, 2^1799944065 is an apocalyptic number.

1799944065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1799944065 is a deficient number, since it is larger than the sum of its proper divisors (1399956735).

1799944065 is a wasteful number, since it uses less digits than its factorization.

1799944065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332933 (or 13332927 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 1799944065 is about 42425.7476657748. The cubic root of 1799944065 is about 1216.4277986890.

The spelling of 1799944065 in words is "one billion, seven hundred ninety-nine million, nine hundred forty-four thousand, sixty-five".