461800539009 has 16 divisors (see below), whose sum is σ = 684265199040. Its totient is φ = 307814712480.

The previous prime is 461800538977. The next prime is 461800539077. The reversal of 461800539009 is 900935008164.

It is a happy number.

It is not a de Polignac number, because 461800539009 - 2⁵ = 461800538977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461800539509) 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, 1290987 + ... + 1609424.

It is an arithmetic number, because the mean of its divisors is an integer number (42766574940).

Almost surely, 2^461800539009 is an apocalyptic number.

It is an amenable number.

461800539009 is a deficient number, since it is larger than the sum of its proper divisors (222464660031).

461800539009 is a wasteful number, since it uses less digits than its factorization.

461800539009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906317 (or 2906311 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 461800539009 in words is "four hundred sixty-one billion, eight hundred million, five hundred thirty-nine thousand, nine".