468191149 has 2 divisors, whose sum is σ = 468191150. Its totient is φ = 468191148.

The previous prime is 468191099. The next prime is 468191183. The reversal of 468191149 is 941191864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293025924 + 175165225 = 17118^2 + 13235^2 .

It is a cyclic number.

It is not a de Polignac number, because 468191149 - 2⁷ = 468191021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468191189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234095574 + 234095575.

It is an arithmetic number, because the mean of its divisors is an integer number (234095575).

Almost surely, 2^468191149 is an apocalyptic number.

It is an amenable number.

468191149 is a deficient number, since it is larger than the sum of its proper divisors (1).

468191149 is an equidigital number, since it uses as much as digits as its factorization.

468191149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 468191149 is about 21637.7251345884. The cubic root of 468191149 is about 776.4992961708.

The spelling of 468191149 in words is "four hundred sixty-eight million, one hundred ninety-one thousand, one hundred forty-nine".