10638975506 has 8 divisors (see below), whose sum is σ = 15970141440. Its totient is φ = 5315595028.

The previous prime is 10638975497. The next prime is 10638975509. The reversal of 10638975506 is 60557983601.

It is a happy number.

10638975506 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10638975506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10638975509) 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, 1942946 + ... + 1948413.

It is an arithmetic number, because the mean of its divisors is an integer number (1996267680).

Almost surely, 2^10638975506 is an apocalyptic number.

10638975506 is a deficient number, since it is larger than the sum of its proper divisors (5331165934).

10638975506 is a wasteful number, since it uses less digits than its factorization.

10638975506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892728.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 10638975506 in words is "ten billion, six hundred thirty-eight million, nine hundred seventy-five thousand, five hundred six".