2493492149 has 2 divisors, whose sum is σ = 2493492150. Its totient is φ = 2493492148.

The previous prime is 2493492107. The next prime is 2493492173. The reversal of 2493492149 is 9412943942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2303328049 + 190164100 = 47993^2 + 13790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2493492149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2493492649) 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, 1246746074 + 1246746075.

It is an arithmetic number, because the mean of its divisors is an integer number (1246746075).

Almost surely, 2^2493492149 is an apocalyptic number.

It is an amenable number.

2493492149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493492149 is an equidigital number, since it uses as much as digits as its factorization.

2493492149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 2493492149 is about 49934.8790826612. The cubic root of 2493492149 is about 1356.0301165783.

The spelling of 2493492149 in words is "two billion, four hundred ninety-three million, four hundred ninety-two thousand, one hundred forty-nine".