10638248143 has 4 divisors (see below), whose sum is σ = 11198155960. Its totient is φ = 10078340328.

The previous prime is 10638248123. The next prime is 10638248149. The reversal of 10638248143 is 34184283601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10638248143 - 2⁵ = 10638248111 is a prime.

It is a super-2 number, since 2×10638248143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10638248096 and 10638248105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638248149) 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, 279953880 + ... + 279953917.

It is an arithmetic number, because the mean of its divisors is an integer number (2799538990).

Almost surely, 2^10638248143 is an apocalyptic number.

10638248143 is a deficient number, since it is larger than the sum of its proper divisors (559907817).

10638248143 is an equidigital number, since it uses as much as digits as its factorization.

10638248143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559907816.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 10638248143 in words is "ten billion, six hundred thirty-eight million, two hundred forty-eight thousand, one hundred forty-three".