28243103039 has 2 divisors, whose sum is σ = 28243103040. Its totient is φ = 28243103038.

The previous prime is 28243103003. The next prime is 28243103099. The reversal of 28243103039 is 93030134282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28243103039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28243103099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121551519 + 14121551520.

It is an arithmetic number, because the mean of its divisors is an integer number (14121551520).

Almost surely, 2^28243103039 is an apocalyptic number.

28243103039 is a deficient number, since it is larger than the sum of its proper divisors (1).

28243103039 is an equidigital number, since it uses as much as digits as its factorization.

28243103039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 28243103039 in words is "twenty-eight billion, two hundred forty-three million, one hundred three thousand, thirty-nine".