461456221121647 has 8 divisors (see below), whose sum is σ = 490645059134400. Its totient is φ = 432494533599744.

The previous prime is 461456221121639. The next prime is 461456221121683. The reversal of 461456221121647 is 746121122654164.

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

It is not a de Polignac number, because 461456221121647 - 2³ = 461456221121639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461456221121594 and 461456221121603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461456221121617) 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, 56787618522 + ... + 56787626647.

It is an arithmetic number, because the mean of its divisors is an integer number (61330632391800).

Almost surely, 2^{461456221121647} is an apocalyptic number.

461456221121647 is a deficient number, since it is larger than the sum of its proper divisors (29188838012753).

461456221121647 is a wasteful number, since it uses less digits than its factorization.

461456221121647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113575245425.

The product of its digits is 3870720, while the sum is 52.

The spelling of 461456221121647 in words is "four hundred sixty-one trillion, four hundred fifty-six billion, two hundred twenty-one million, one hundred twenty-one thousand, six hundred forty-seven".