461774562656464 has 10 divisors (see below), whose sum is σ = 894688215146930. Its totient is φ = 230887281328224.

The previous prime is 461774562656437. The next prime is 461774562656471. The reversal of 461774562656464 is 464656265477164.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 301445988840000 + 160328573816464 = 17362200^2 + 12662092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14430455082999 + ... + 14430455083030.

It is an arithmetic number, because the mean of its divisors is an integer number (89468821514693).

Almost surely, 2^{461774562656464} is an apocalyptic number.

It is an amenable number.

461774562656464 is a deficient number, since it is larger than the sum of its proper divisors (432913652490466).

461774562656464 is a wasteful number, since it uses less digits than its factorization.

461774562656464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860910166037 (or 28860910166031 counting only the distinct ones).

The product of its digits is 4877107200, while the sum is 73.

The spelling of 461774562656464 in words is "four hundred sixty-one trillion, seven hundred seventy-four billion, five hundred sixty-two million, six hundred fifty-six thousand, four hundred sixty-four".