10171861643 has 2 divisors, whose sum is σ = 10171861644. Its totient is φ = 10171861642.

The previous prime is 10171861607. The next prime is 10171861663. The reversal of 10171861643 is 34616817101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10171861643 - 2¹⁰ = 10171860619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10171861597 and 10171861606.

It is not a weakly prime, because it can be changed into another prime (10171861663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085930821 + 5085930822.

It is an arithmetic number, because the mean of its divisors is an integer number (5085930822).

Almost surely, 2^10171861643 is an apocalyptic number.

10171861643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10171861643 is an equidigital number, since it uses as much as digits as its factorization.

10171861643 is an evil number, because the sum of its binary digits is even.

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

It can be divided in two parts, 101718 and 61643, that added together give a palindrome (163361).

The spelling of 10171861643 in words is "ten billion, one hundred seventy-one million, eight hundred sixty-one thousand, six hundred forty-three".