461528655839 has 4 divisors (see below), whose sum is σ = 461530635456. Its totient is φ = 461526676224.

The previous prime is 461528655823. The next prime is 461528655857. The reversal of 461528655839 is 938556825164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461528655839 - 2⁴ = 461528655823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461528655139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584879 + ... + 1124784.

It is an arithmetic number, because the mean of its divisors is an integer number (115382658864).

Almost surely, 2^461528655839 is an apocalyptic number.

461528655839 is a deficient number, since it is larger than the sum of its proper divisors (1979617).

461528655839 is a wasteful number, since it uses less digits than its factorization.

461528655839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979616.

The product of its digits is 62208000, while the sum is 62.

The spelling of 461528655839 in words is "four hundred sixty-one billion, five hundred twenty-eight million, six hundred fifty-five thousand, eight hundred thirty-nine".