17963082145 has 4 divisors (see below), whose sum is σ = 21555698580. Its totient is φ = 14370465712.

The previous prime is 17963082143. The next prime is 17963082157. The reversal of 17963082145 is 54128036971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54128036971 = 151 ⋅358463821.

It can be written as a sum of positive squares in 2 ways, for example, as 11215445409 + 6747636736 = 105903^2 + 82144^2 .

It is a cyclic number.

It is not a de Polignac number, because 17963082145 - 2¹ = 17963082143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17963082095 and 17963082104.

It is not an unprimeable number, because it can be changed into a prime (17963082143) 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, 1796308210 + ... + 1796308219.

It is an arithmetic number, because the mean of its divisors is an integer number (5388924645).

It is a 1-persistent number, because it is pandigital, but 2⋅17963082145 = 35926164290 is not.

Almost surely, 2^17963082145 is an apocalyptic number.

It is an amenable number.

17963082145 is a deficient number, since it is larger than the sum of its proper divisors (3592616435).

17963082145 is an equidigital number, since it uses as much as digits as its factorization.

17963082145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592616434.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 17963082145 in words is "seventeen billion, nine hundred sixty-three million, eighty-two thousand, one hundred forty-five".