10143784643 has 2 divisors, whose sum is σ = 10143784644. Its totient is φ = 10143784642.

The previous prime is 10143784613. The next prime is 10143784711. The reversal of 10143784643 is 34648734101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10143784643 - 2²² = 10139590339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10143784643.

It is not a weakly prime, because it can be changed into another prime (10143784613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071892321 + 5071892322.

It is an arithmetic number, because the mean of its divisors is an integer number (5071892322).

Almost surely, 2^10143784643 is an apocalyptic number.

10143784643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143784643 is an equidigital number, since it uses as much as digits as its factorization.

10143784643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 10143784643 in words is "ten billion, one hundred forty-three million, seven hundred eighty-four thousand, six hundred forty-three".