28004106043 has 4 divisors (see below), whose sum is σ = 28387724008. Its totient is φ = 27620488080.

The previous prime is 28004106037. The next prime is 28004106079. The reversal of 28004106043 is 34060140082.

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 28004106043 - 2⁹ = 28004105531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28004106643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191808873 + ... + 191809018.

It is an arithmetic number, because the mean of its divisors is an integer number (7096931002).

Almost surely, 2^28004106043 is an apocalyptic number.

28004106043 is a deficient number, since it is larger than the sum of its proper divisors (383617965).

28004106043 is an equidigital number, since it uses as much as digits as its factorization.

28004106043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383617964.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 28004106043 in words is "twenty-eight billion, four million, one hundred six thousand, forty-three".