461705013666521 has 8 divisors (see below), whose sum is σ = 470251950018144. Its totient is φ = 453206777807520.

The previous prime is 461705013666497. The next prime is 461705013666539. The reversal of 461705013666521 is 125666310507164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461705013666521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461705013666821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12175104020 + ... + 12175141941.

It is an arithmetic number, because the mean of its divisors is an integer number (58781493752268).

Almost surely, 2^{461705013666521} is an apocalyptic number.

It is an amenable number.

461705013666521 is a deficient number, since it is larger than the sum of its proper divisors (8546936351623).

461705013666521 is a wasteful number, since it uses less digits than its factorization.

461705013666521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24350246311.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 461705013666521 in words is "four hundred sixty-one trillion, seven hundred five billion, thirteen million, six hundred sixty-six thousand, five hundred twenty-one".