633005149 has 16 divisors (see below), whose sum is σ = 799296768. Its totient is φ = 488454912.

The previous prime is 633005141. The next prime is 633005161. The reversal of 633005149 is 941500336.

It is a cyclic number.

It is not a de Polignac number, because 633005149 - 2³ = 633005141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 633005149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633005141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112902 + ... + 118375.

It is an arithmetic number, because the mean of its divisors is an integer number (49956048).

Almost surely, 2^633005149 is an apocalyptic number.

It is an amenable number.

633005149 is a deficient number, since it is larger than the sum of its proper divisors (166291619).

633005149 is a wasteful number, since it uses less digits than its factorization.

633005149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231324.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 633005149 is about 25159.5935777985. The cubic root of 633005149 is about 858.6227952698.

The spelling of 633005149 in words is "six hundred thirty-three million, five thousand, one hundred forty-nine".