10143781643 has 2 divisors, whose sum is σ = 10143781644. Its totient is φ = 10143781642.

The previous prime is 10143781597. The next prime is 10143781699. The reversal of 10143781643 is 34618734101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10143781643 - 2²⁶ = 10076672779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10143781597 and 10143781606.

It is not a weakly prime, because it can be changed into another prime (10143784643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071890821 + 5071890822.

It is an arithmetic number, because the mean of its divisors is an integer number (5071890822).

Almost surely, 2^10143781643 is an apocalyptic number.

10143781643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143781643 is an equidigital number, since it uses as much as digits as its factorization.

10143781643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 10143781643 in words is "ten billion, one hundred forty-three million, seven hundred eighty-one thousand, six hundred forty-three".