28364510683 has 4 divisors (see below), whose sum is σ = 28386016560. Its totient is φ = 28343004808.

The previous prime is 28364510641. The next prime is 28364510723. The reversal of 28364510683 is 38601546382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28364510683 - 2¹⁷ = 28364379611 is a prime.

It is a super-2 number, since 2×28364510683² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28364510633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10750960 + ... + 10753597.

It is an arithmetic number, because the mean of its divisors is an integer number (7096504140).

Almost surely, 2^28364510683 is an apocalyptic number.

28364510683 is a deficient number, since it is larger than the sum of its proper divisors (21505877).

28364510683 is a wasteful number, since it uses less digits than its factorization.

28364510683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21505876.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28364510683 in words is "twenty-eight billion, three hundred sixty-four million, five hundred ten thousand, six hundred eighty-three".