461049709 has 2 divisors, whose sum is σ = 461049710. Its totient is φ = 461049708.

The previous prime is 461049643. The next prime is 461049739. The reversal of 461049709 is 907940164.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409252900 + 51796809 = 20230^2 + 7197^2 .

It is a cyclic number.

It is not a de Polignac number, because 461049709 - 2⁷ = 461049581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461049739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230524854 + 230524855.

It is an arithmetic number, because the mean of its divisors is an integer number (230524855).

Almost surely, 2^461049709 is an apocalyptic number.

It is an amenable number.

461049709 is a deficient number, since it is larger than the sum of its proper divisors (1).

461049709 is an equidigital number, since it uses as much as digits as its factorization.

461049709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 461049709 is about 21472.0681118517. The cubic root of 461049709 is about 772.5310029695.

The spelling of 461049709 in words is "four hundred sixty-one million, forty-nine thousand, seven hundred nine".