460091909 has 2 divisors, whose sum is σ = 460091910. Its totient is φ = 460091908.

The previous prime is 460091869. The next prime is 460091911. The reversal of 460091909 is 909190064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260661025 + 199430884 = 16145^2 + 14122^2 .

It is a cyclic number.

It is not a de Polignac number, because 460091909 - 2¹⁶ = 460026373 is a prime.

Together with 460091911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460091509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230045954 + 230045955.

It is an arithmetic number, because the mean of its divisors is an integer number (230045955).

Almost surely, 2^460091909 is an apocalyptic number.

It is an amenable number.

460091909 is a deficient number, since it is larger than the sum of its proper divisors (1).

460091909 is an equidigital number, since it uses as much as digits as its factorization.

460091909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 460091909 is about 21449.7531221224. The cubic root of 460091909 is about 771.9956715598.

The spelling of 460091909 in words is "four hundred sixty million, ninety-one thousand, nine hundred nine".