4031553421 has 16 divisors (see below), whose sum is σ = 4647888000. Its totient is φ = 3425439168.

The previous prime is 4031553401. The next prime is 4031553431. The reversal of 4031553421 is 1243551304.

It is a cyclic number.

It is not a de Polignac number, because 4031553421 - 2²³ = 4023164813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4031553421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031553401) 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, 417870 + ... + 427408.

It is an arithmetic number, because the mean of its divisors is an integer number (290493000).

Almost surely, 2^4031553421 is an apocalyptic number.

It is an amenable number.

4031553421 is a deficient number, since it is larger than the sum of its proper divisors (616334579).

4031553421 is a wasteful number, since it uses less digits than its factorization.

4031553421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4031553421 is about 63494.5148890831. The cubic root of 4031553421 is about 1591.5641189721.

The spelling of 4031553421 in words is "four billion, thirty-one million, five hundred fifty-three thousand, four hundred twenty-one".