492461149 has 2 divisors, whose sum is σ = 492461150. Its totient is φ = 492461148.

The previous prime is 492461147. The next prime is 492461239. The reversal of 492461149 is 941164294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376748100 + 115713049 = 19410^2 + 10757^2 .

It is a cyclic number.

It is not a de Polignac number, because 492461149 - 2¹ = 492461147 is a prime.

Together with 492461147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492461147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246230574 + 246230575.

It is an arithmetic number, because the mean of its divisors is an integer number (246230575).

Almost surely, 2^492461149 is an apocalyptic number.

It is an amenable number.

492461149 is a deficient number, since it is larger than the sum of its proper divisors (1).

492461149 is an equidigital number, since it uses as much as digits as its factorization.

492461149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 492461149 is about 22191.4656794003. The cubic root of 492461149 is about 789.6912477179.

The spelling of 492461149 in words is "four hundred ninety-two million, four hundred sixty-one thousand, one hundred forty-nine".