10817488638 has 48 divisors (see below), whose sum is σ = 25608675456. Its totient is φ = 3272890320.

The previous prime is 10817488607. The next prime is 10817488673. The reversal of 10817488638 is 83688471801.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84831 + ... + 169797.

It is an arithmetic number, because the mean of its divisors is an integer number (533514072).

Almost surely, 2^10817488638 is an apocalyptic number.

10817488638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10817488638 is an abundant number, since it is smaller than the sum of its proper divisors (14791186818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10817488638 is a wasteful number, since it uses less digits than its factorization.

10817488638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85629 (or 85626 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 10817488638 in words is "ten billion, eight hundred seventeen million, four hundred eighty-eight thousand, six hundred thirty-eight".