2140432043 has 4 divisors (see below), whose sum is σ = 2140578840. Its totient is φ = 2140285248.

The previous prime is 2140432037. The next prime is 2140432067. The reversal of 2140432043 is 3402340412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140432043 - 2¹⁴ = 2140415659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140432093) 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, 48773 + ... + 81606.

It is an arithmetic number, because the mean of its divisors is an integer number (535144710).

Almost surely, 2^2140432043 is an apocalyptic number.

2140432043 is a deficient number, since it is larger than the sum of its proper divisors (146797).

2140432043 is a wasteful number, since it uses less digits than its factorization.

2140432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146796.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2140432043 is about 46264.8035011498. The cubic root of 2140432043 is about 1288.7454588233.

Adding to 2140432043 its reverse (3402340412), we get a palindrome (5542772455).

The spelling of 2140432043 in words is "two billion, one hundred forty million, four hundred thirty-two thousand, forty-three".