4133530421 has 8 divisors (see below), whose sum is σ = 4272056064. Its totient is φ = 3995328960.

The previous prime is 4133530411. The next prime is 4133530439. The reversal of 4133530421 is 1240353314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4133530421 - 2²² = 4129336117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133530411) 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 7 ways as a sum of consecutive naturals, for example, 54980 + ... + 106253.

It is an arithmetic number, because the mean of its divisors is an integer number (534007008).

Almost surely, 2^4133530421 is an apocalyptic number.

It is an amenable number.

4133530421 is a deficient number, since it is larger than the sum of its proper divisors (138525643).

4133530421 is a wasteful number, since it uses less digits than its factorization.

4133530421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162091.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4133530421 is about 64292.5378329398. The cubic root of 4133530421 is about 1604.8719237351.

Adding to 4133530421 its reverse (1240353314), we get a palindrome (5373883735).

The spelling of 4133530421 in words is "four billion, one hundred thirty-three million, five hundred thirty thousand, four hundred twenty-one".