17641380143 has 2 divisors, whose sum is σ = 17641380144. Its totient is φ = 17641380142.

The previous prime is 17641380139. The next prime is 17641380157. The reversal of 17641380143 is 34108314671.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17641380143 - 2² = 17641380139 is a prime.

It is a super-2 number, since 2×17641380143² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17641380097 and 17641380106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17641380103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8820690071 + 8820690072.

It is an arithmetic number, because the mean of its divisors is an integer number (8820690072).

Almost surely, 2^17641380143 is an apocalyptic number.

17641380143 is a deficient number, since it is larger than the sum of its proper divisors (1).

17641380143 is an equidigital number, since it uses as much as digits as its factorization.

17641380143 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 17641380143 in words is "seventeen billion, six hundred forty-one million, three hundred eighty thousand, one hundred forty-three".