461801729 has 4 divisors (see below), whose sum is σ = 461857284. Its totient is φ = 461746176.

The previous prime is 461801693. The next prime is 461801731. The reversal of 461801729 is 927108164.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 280495504 + 181306225 = 16748^2 + 13465^2 .

It is a cyclic number.

It is not a de Polignac number, because 461801729 - 2²⁸ = 193366273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461801692 and 461801701.

It is not an unprimeable number, because it can be changed into a prime (461801749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12512 + ... + 32865.

It is an arithmetic number, because the mean of its divisors is an integer number (115464321).

Almost surely, 2^461801729 is an apocalyptic number.

It is an amenable number.

461801729 is a deficient number, since it is larger than the sum of its proper divisors (55555).

461801729 is a wasteful number, since it uses less digits than its factorization.

461801729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55554.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 461801729 is about 21489.5725643857. The cubic root of 461801729 is about 772.9508009301.

The spelling of 461801729 in words is "four hundred sixty-one million, eight hundred one thousand, seven hundred twenty-nine".