461305466654643 has 12 divisors (see below), whose sum is σ = 717586281462960. Its totient is φ = 283880287172016.

The previous prime is 461305466654507. The next prime is 461305466654657. The reversal of 461305466654643 is 346456664503164.

It is a happy number.

It is not a de Polignac number, because 461305466654643 - 2³² = 461301171687347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461305466654693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971390883023 + ... + 1971390883256.

It is an arithmetic number, because the mean of its divisors is an integer number (59798856788580).

Almost surely, 2^{461305466654643} is an apocalyptic number.

461305466654643 is a deficient number, since it is larger than the sum of its proper divisors (256280814808317).

461305466654643 is a wasteful number, since it uses less digits than its factorization.

461305466654643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942781766298 (or 3942781766295 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 63.

The spelling of 461305466654643 in words is "four hundred sixty-one trillion, three hundred five billion, four hundred sixty-six million, six hundred fifty-four thousand, six hundred forty-three".