10143781642 has 8 divisors (see below), whose sum is σ = 15442772256. Its totient is φ = 4996190892.

The previous prime is 10143781597. The next prime is 10143781643. The reversal of 10143781642 is 24618734101.

10143781642 is digitally balanced in base 2, 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 not an unprimeable number, because it can be changed into a prime (10143781643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37849798 + ... + 37850065.

It is an arithmetic number, because the mean of its divisors is an integer number (1930346532).

Almost surely, 2^10143781642 is an apocalyptic number.

10143781642 is a deficient number, since it is larger than the sum of its proper divisors (5298990614).

10143781642 is an equidigital number, since it uses as much as digits as its factorization.

10143781642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75699932.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 10143781642 in words is "ten billion, one hundred forty-three million, seven hundred eighty-one thousand, six hundred forty-two".