2190240149 has 2 divisors, whose sum is σ = 2190240150. Its totient is φ = 2190240148.

The previous prime is 2190240137. The next prime is 2190240191. The reversal of 2190240149 is 9410420912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2055262225 + 134977924 = 45335^2 + 11618^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190240149 - 2⁴ = 2190240133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190240119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095120074 + 1095120075.

It is an arithmetic number, because the mean of its divisors is an integer number (1095120075).

Almost surely, 2^2190240149 is an apocalyptic number.

It is an amenable number.

2190240149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190240149 is an equidigital number, since it uses as much as digits as its factorization.

2190240149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2190240149 is about 46800.0015918803. The cubic root of 2190240149 is about 1298.6653262518.

The spelling of 2190240149 in words is "two billion, one hundred ninety million, two hundred forty thousand, one hundred forty-nine".