3638256528363 has 8 divisors (see below), whose sum is σ = 4858216743888. Its totient is φ = 2421900332544.

The previous prime is 3638256528337. The next prime is 3638256528371.

3638256528363 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3638256528363 - 2⁶ = 3638256528299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3638256528297 and 3638256528306.

It is not an unprimeable number, because it can be changed into a prime (3638256528563) 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, 901002570 + ... + 901006607.

It is an arithmetic number, because the mean of its divisors is an integer number (607277092986).

Almost surely, 2^{3638256528363} is an apocalyptic number.

3638256528363 is a deficient number, since it is larger than the sum of its proper divisors (1219960215525).

3638256528363 is a wasteful number, since it uses less digits than its factorization.

3638256528363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802009853.

The product of its digits is 111974400, while the sum is 60.

The spelling of 3638256528363 in words is "three trillion, six hundred thirty-eight billion, two hundred fifty-six million, five hundred twenty-eight thousand, three hundred sixty-three".