28903500213 has 16 divisors (see below), whose sum is σ = 44497488000. Its totient is φ = 16346013696.

The previous prime is 28903500193. The next prime is 28903500251. The reversal of 28903500213 is 31200530982.

It is not a de Polignac number, because 28903500213 - 2⁶ = 28903500149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28903501213) 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 15 ways as a sum of consecutive naturals, for example, 7092588 + ... + 7096661.

It is an arithmetic number, because the mean of its divisors is an integer number (2781093000).

Almost surely, 2^28903500213 is an apocalyptic number.

It is an amenable number.

28903500213 is a deficient number, since it is larger than the sum of its proper divisors (15593987787).

28903500213 is a wasteful number, since it uses less digits than its factorization.

28903500213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189356.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 28903500213 in words is "twenty-eight billion, nine hundred three million, five hundred thousand, two hundred thirteen".