3403543021 has 16 divisors (see below), whose sum is σ = 3688723584. Its totient is φ = 3128661504.

The previous prime is 3403543001. The next prime is 3403543057. The reversal of 3403543021 is 1203453043.

It is not a de Polignac number, because 3403543021 - 2⁷ = 3403542893 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 (3403543001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114510 + ... + 141136.

It is an arithmetic number, because the mean of its divisors is an integer number (230545224).

Almost surely, 2^3403543021 is an apocalyptic number.

It is an amenable number.

3403543021 is a deficient number, since it is larger than the sum of its proper divisors (285180563).

3403543021 is a wasteful number, since it uses less digits than its factorization.

3403543021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26820.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3403543021 is about 58339.8921922213. The cubic root of 3403543021 is about 1504.2167307174.

Adding to 3403543021 its reverse (1203453043), we get a palindrome (4606996064).

The spelling of 3403543021 in words is "three billion, four hundred three million, five hundred forty-three thousand, twenty-one".