10638132536 has 32 divisors (see below), whose sum is σ = 20029123200. Its totient is φ = 5297080320.

The previous prime is 10638132473. The next prime is 10638132541. The reversal of 10638132536 is 63523183601.

It is a super-2 number, since 2×10638132536² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10638132536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199641 + ... + 2204471.

It is an arithmetic number, because the mean of its divisors is an integer number (625910100).

Almost surely, 2^10638132536 is an apocalyptic number.

It is an amenable number.

10638132536 is a deficient number, since it is larger than the sum of its proper divisors (9390990664).

10638132536 is a wasteful number, since it uses less digits than its factorization.

10638132536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 10638132536 in words is "ten billion, six hundred thirty-eight million, one hundred thirty-two thousand, five hundred thirty-six".