28903474772049 has 8 divisors (see below), whose sum is σ = 38537991325120. Its totient is φ = 19268970700176.

The previous prime is 28903474772041. The next prime is 28903474772113. The reversal of 28903474772049 is 94027747430982.

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

It is not a de Polignac number, because 28903474772049 - 2³ = 28903474772041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28903474772041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6684207 + ... + 10123515.

It is an arithmetic number, because the mean of its divisors is an integer number (4817248915640).

Almost surely, 2^{28903474772049} is an apocalyptic number.

It is an amenable number.

28903474772049 is a deficient number, since it is larger than the sum of its proper divisors (9634516553071).

28903474772049 is a wasteful number, since it uses less digits than its factorization.

28903474772049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240599.

The product of its (nonzero) digits is 170698752, while the sum is 66.

The spelling of 28903474772049 in words is "twenty-eight trillion, nine hundred three billion, four hundred seventy-four million, seven hundred seventy-two thousand, forty-nine".