28636343365 has 8 divisors (see below), whose sum is σ = 39272699520. Its totient is φ = 19636349712.

The previous prime is 28636343327. The next prime is 28636343369. The reversal of 28636343365 is 56334363682.

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

It is a de Polignac number, because none of the positive numbers 2^k-28636343365 is a prime.

It is a super-2 number, since 2×28636343365² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28636343369) 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, 409090585 + ... + 409090654.

It is an arithmetic number, because the mean of its divisors is an integer number (4909087440).

Almost surely, 2^28636343365 is an apocalyptic number.

It is an amenable number.

28636343365 is a deficient number, since it is larger than the sum of its proper divisors (10636356155).

28636343365 is an equidigital number, since it uses as much as digits as its factorization.

28636343365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818181251.

The product of its digits is 5598720, while the sum is 49.

The spelling of 28636343365 in words is "twenty-eight billion, six hundred thirty-six million, three hundred forty-three thousand, three hundred sixty-five".