28347043049 has 8 divisors (see below), whose sum is σ = 30529105152. Its totient is φ = 26165198160.

The previous prime is 28347043009. The next prime is 28347043079. The reversal of 28347043049 is 94034074382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28347043049 - 2²⁸ = 28078607593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28347043009) 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 7 ways as a sum of consecutive naturals, for example, 304682 + ... + 386684.

It is an arithmetic number, because the mean of its divisors is an integer number (3816138144).

Almost surely, 2^28347043049 is an apocalyptic number.

It is an amenable number.

28347043049 is a deficient number, since it is larger than the sum of its proper divisors (2182062103).

28347043049 is a wasteful number, since it uses less digits than its factorization.

28347043049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108607.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 28347043049 in words is "twenty-eight billion, three hundred forty-seven million, forty-three thousand, forty-nine".