2043401429 has 4 divisors (see below), whose sum is σ = 2044987980. Its totient is φ = 2041814880.

The previous prime is 2043401413. The next prime is 2043401431. The reversal of 2043401429 is 9241043402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9241043402 = 2 ⋅4620521701.

It can be written as a sum of positive squares in 2 ways, for example, as 1672646404 + 370755025 = 40898^2 + 19255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043401429 - 2⁴ = 2043401413 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 (2043409429) 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 3 ways as a sum of consecutive naturals, for example, 791342 + ... + 793919.

It is an arithmetic number, because the mean of its divisors is an integer number (511246995).

Almost surely, 2^2043401429 is an apocalyptic number.

It is an amenable number.

2043401429 is a deficient number, since it is larger than the sum of its proper divisors (1586551).

2043401429 is a wasteful number, since it uses less digits than its factorization.

2043401429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586550.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2043401429 is about 45203.9979315989. The cubic root of 2043401429 is about 1268.9696375513.

The spelling of 2043401429 in words is "two billion, forty-three million, four hundred one thousand, four hundred twenty-nine".