2143364429 has 4 divisors (see below), whose sum is σ = 2146388220. Its totient is φ = 2140340640.

The previous prime is 2143364423. The next prime is 2143364473. The reversal of 2143364429 is 9244633412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1075708804 + 1067655625 = 32798^2 + 32675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143364429 - 2⁸ = 2143364173 is a prime.

It is a super-2 number, since 2×2143364429² = 9188022151004992082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143364392 and 2143364401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143364423) 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 3 ways as a sum of consecutive naturals, for example, 1510832 + ... + 1512249.

It is an arithmetic number, because the mean of its divisors is an integer number (536597055).

Almost surely, 2^2143364429 is an apocalyptic number.

It is an amenable number.

2143364429 is a deficient number, since it is larger than the sum of its proper divisors (3023791).

2143364429 is an equidigital number, since it uses as much as digits as its factorization.

2143364429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023790.

The product of its digits is 124416, while the sum is 38.

The square root of 2143364429 is about 46296.4839809677. The cubic root of 2143364429 is about 1289.3337161771. Note that the first 3 decimals are identical.

The spelling of 2143364429 in words is "two billion, one hundred forty-three million, three hundred sixty-four thousand, four hundred twenty-nine".