18769306065 has 32 divisors (see below), whose sum is σ = 30146160000. Its totient is φ = 9971942400.

The previous prime is 18769306057. The next prime is 18769306069. The reversal of 18769306065 is 56060396781.

It is not a de Polignac number, because 18769306065 - 2³ = 18769306057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18769305999 and 18769306017.

It is not an unprimeable number, because it can be changed into a prime (18769306069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6826311 + ... + 6829059.

It is an arithmetic number, because the mean of its divisors is an integer number (942067500).

Almost surely, 2^18769306065 is an apocalyptic number.

18769306065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18769306065 is a deficient number, since it is larger than the sum of its proper divisors (11376853935).

18769306065 is a wasteful number, since it uses less digits than its factorization.

18769306065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 18769306065 in words is "eighteen billion, seven hundred sixty-nine million, three hundred six thousand, sixty-five".