28334643382 has 4 divisors (see below), whose sum is σ = 42501965076. Its totient is φ = 14167321690.

The previous prime is 28334643373. The next prime is 28334643409.

28334643382 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7083660844 + ... + 7083660847.

It is an arithmetic number, because the mean of its divisors is an integer number (10625491269).

Almost surely, 2^28334643382 is an apocalyptic number.

28334643382 is a deficient number, since it is larger than the sum of its proper divisors (14167321694).

28334643382 is a wasteful number, since it uses less digits than its factorization.

28334643382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167321693.

The product of its digits is 1990656, while the sum is 46.

The spelling of 28334643382 in words is "twenty-eight billion, three hundred thirty-four million, six hundred forty-three thousand, three hundred eighty-two".