4521908133 has 16 divisors (see below), whose sum is σ = 6700167040. Its totient is φ = 3014135712.

The previous prime is 4521908129. The next prime is 4521908147. The reversal of 4521908133 is 3318091254.

4521908133 is a `hidden beast` number, since 452 + 190 + 8 + 13 + 3 = 666.

It is not a de Polignac number, because 4521908133 - 2² = 4521908129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521908333) 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, 299985 + ... + 314697.

It is an arithmetic number, because the mean of its divisors is an integer number (418760440).

Almost surely, 2^4521908133 is an apocalyptic number.

It is an amenable number.

4521908133 is a deficient number, since it is larger than the sum of its proper divisors (2178258907).

4521908133 is a wasteful number, since it uses less digits than its factorization.

4521908133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26105 (or 26099 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 4521908133 is about 67245.1346418460. The cubic root of 4521908133 is about 1653.6385127510.

Adding to 4521908133 its reverse (3318091254), we get a palindrome (7839999387).

The spelling of 4521908133 in words is "four billion, five hundred twenty-one million, nine hundred eight thousand, one hundred thirty-three".