17940170441 has 2 divisors, whose sum is σ = 17940170442. Its totient is φ = 17940170440.

The previous prime is 17940170401. The next prime is 17940170449. The reversal of 17940170441 is 14407104971.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15424646416 + 2515524025 = 124196^2 + 50155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17940170441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17940170395 and 17940170404.

It is not a weakly prime, because it can be changed into another prime (17940170449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8970085220 + 8970085221.

It is an arithmetic number, because the mean of its divisors is an integer number (8970085221).

Almost surely, 2^17940170441 is an apocalyptic number.

It is an amenable number.

17940170441 is a deficient number, since it is larger than the sum of its proper divisors (1).

17940170441 is an equidigital number, since it uses as much as digits as its factorization.

17940170441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 17940170441 in words is "seventeen billion, nine hundred forty million, one hundred seventy thousand, four hundred forty-one".