461684849 has 2 divisors, whose sum is σ = 461684850. Its totient is φ = 461684848.

The previous prime is 461684833. The next prime is 461684863. The reversal of 461684849 is 948486164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455054224 + 6630625 = 21332^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 461684849 - 2⁴ = 461684833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461684797 and 461684806.

It is not a weakly prime, because it can be changed into another prime (461684809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230842424 + 230842425.

It is an arithmetic number, because the mean of its divisors is an integer number (230842425).

Almost surely, 2^461684849 is an apocalyptic number.

It is an amenable number.

461684849 is a deficient number, since it is larger than the sum of its proper divisors (1).

461684849 is an equidigital number, since it uses as much as digits as its factorization.

461684849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The square root of 461684849 is about 21486.8529338291. The cubic root of 461684849 is about 772.8855852709.

The spelling of 461684849 in words is "four hundred sixty-one million, six hundred eighty-four thousand, eight hundred forty-nine".