468198149 has 2 divisors, whose sum is σ = 468198150. Its totient is φ = 468198148.

The previous prime is 468198113. The next prime is 468198187. The reversal of 468198149 is 941891864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285001924 + 183196225 = 16882^2 + 13535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468198149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 468198097 and 468198106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468191149) 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, 234099074 + 234099075.

It is an arithmetic number, because the mean of its divisors is an integer number (234099075).

Almost surely, 2^468198149 is an apocalyptic number.

It is an amenable number.

468198149 is a deficient number, since it is larger than the sum of its proper divisors (1).

468198149 is an equidigital number, since it uses as much as digits as its factorization.

468198149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 468198149 is about 21637.8868885111. The cubic root of 468198149 is about 776.5031660062.

The spelling of 468198149 in words is "four hundred sixty-eight million, one hundred ninety-eight thousand, one hundred forty-nine".