633545089 has 4 divisors (see below), whose sum is σ = 633682224. Its totient is φ = 633407956.

The previous prime is 633545057. The next prime is 633545111. The reversal of 633545089 is 980545336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 633545089 - 2⁵ = 633545057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633515089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61387 + ... + 70960.

It is an arithmetic number, because the mean of its divisors is an integer number (158420556).

Almost surely, 2^633545089 is an apocalyptic number.

It is an amenable number.

633545089 is a deficient number, since it is larger than the sum of its proper divisors (137135).

633545089 is a wasteful number, since it uses less digits than its factorization.

633545089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137134.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 633545089 is about 25170.3215911120. The cubic root of 633545089 is about 858.8668549167.

The spelling of 633545089 in words is "six hundred thirty-three million, five hundred forty-five thousand, eighty-nine".