28431635201 has 8 divisors (see below), whose sum is σ = 29267823744. Its totient is φ = 27599013360.

The previous prime is 28431635123. The next prime is 28431635203. The reversal of 28431635201 is 10253613482.

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

It is not a de Polignac number, because 28431635201 - 2¹⁰ = 28431634177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28431635203) 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, 875495 + ... + 907388.

It is an arithmetic number, because the mean of its divisors is an integer number (3658477968).

Almost surely, 2^28431635201 is an apocalyptic number.

It is an amenable number.

28431635201 is a deficient number, since it is larger than the sum of its proper divisors (836188543).

28431635201 is a wasteful number, since it uses less digits than its factorization.

28431635201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783351.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 28431635201 in words is "twenty-eight billion, four hundred thirty-one million, six hundred thirty-five thousand, two hundred one".