2003443429 has 16 divisors (see below), whose sum is σ = 2276942080. Its totient is φ = 1747500480.

The previous prime is 2003443399. The next prime is 2003443441. The reversal of 2003443429 is 9243443002.

It is a cyclic number.

It is not a de Polignac number, because 2003443429 - 2¹³ = 2003435237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003443429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003443469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87844 + ... + 108274.

It is an arithmetic number, because the mean of its divisors is an integer number (142308880).

Almost surely, 2^2003443429 is an apocalyptic number.

It is an amenable number.

2003443429 is a deficient number, since it is larger than the sum of its proper divisors (273498651).

2003443429 is a wasteful number, since it uses less digits than its factorization.

2003443429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20860.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2003443429 is about 44759.8416998988. The cubic root of 2003443429 is about 1260.6437100954.

The spelling of 2003443429 in words is "two billion, three million, four hundred forty-three thousand, four hundred twenty-nine".