10143922187 has 4 divisors (see below), whose sum is σ = 11593053936. Its totient is φ = 8694790440.

The previous prime is 10143922169. The next prime is 10143922213. The reversal of 10143922187 is 78122934101.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-10143922187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10143922187.

It is not an unprimeable number, because it can be changed into a prime (10143922387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724565864 + ... + 724565877.

It is an arithmetic number, because the mean of its divisors is an integer number (2898263484).

Almost surely, 2^10143922187 is an apocalyptic number.

10143922187 is a deficient number, since it is larger than the sum of its proper divisors (1449131749).

10143922187 is an equidigital number, since it uses as much as digits as its factorization.

10143922187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449131748.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 10143922187 in words is "ten billion, one hundred forty-three million, nine hundred twenty-two thousand, one hundred eighty-seven".