28735264641683 has 16 divisors (see below), whose sum is σ = 29133989227200. Its totient is φ = 28338948648576.

The previous prime is 28735264641679. The next prime is 28735264641691. The reversal of 28735264641683 is 38614646253782.

It is a cyclic number.

It is not a de Polignac number, because 28735264641683 - 2² = 28735264641679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28735264631683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55348541 + ... + 55865297.

It is an arithmetic number, because the mean of its divisors is an integer number (1820874326700).

Almost surely, 2^{28735264641683} is an apocalyptic number.

28735264641683 is a deficient number, since it is larger than the sum of its proper divisors (398724585517).

28735264641683 is a wasteful number, since it uses less digits than its factorization.

28735264641683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519086.

The product of its digits is 278691840, while the sum is 65.

The spelling of 28735264641683 in words is "twenty-eight trillion, seven hundred thirty-five billion, two hundred sixty-four million, six hundred forty-one thousand, six hundred eighty-three".