468557149 has 2 divisors, whose sum is σ = 468557150. Its totient is φ = 468557148.

The previous prime is 468557123. The next prime is 468557191. The reversal of 468557149 is 941755864.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 14100025 = 21318^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 468557149 - 2⁹ = 468556637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468557249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234278574 + 234278575.

It is an arithmetic number, because the mean of its divisors is an integer number (234278575).

Almost surely, 2^468557149 is an apocalyptic number.

It is an amenable number.

468557149 is a deficient number, since it is larger than the sum of its proper divisors (1).

468557149 is an equidigital number, since it uses as much as digits as its factorization.

468557149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 468557149 is about 21646.1809333656. The cubic root of 468557149 is about 776.7015815831.

The spelling of 468557149 in words is "four hundred sixty-eight million, five hundred fifty-seven thousand, one hundred forty-nine".