461550638591 has 8 divisors (see below), whose sum is σ = 538709560320. Its totient is φ = 387197495928.

The previous prime is 461550638573. The next prime is 461550638611. The reversal of 461550638591 is 195836055164.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 461550638591 - 2¹⁰ = 461550637567 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 (461550638191) 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, 701444411 + ... + 701445068.

It is an arithmetic number, because the mean of its divisors is an integer number (67338695040).

Almost surely, 2^461550638591 is an apocalyptic number.

461550638591 is a deficient number, since it is larger than the sum of its proper divisors (77158921729).

461550638591 is a wasteful number, since it uses less digits than its factorization.

461550638591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402889533.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 461550638591 in words is "four hundred sixty-one billion, five hundred fifty million, six hundred thirty-eight thousand, five hundred ninety-one".