170914998409 has 2 divisors, whose sum is σ = 170914998410. Its totient is φ = 170914998408.

The previous prime is 170914998343. The next prime is 170914998413. The reversal of 170914998409 is 904899419071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140679005184 + 30235993225 = 375072^2 + 173885^2 .

It is a cyclic number.

It is not a de Polignac number, because 170914998409 - 2⁷ = 170914998281 is a prime.

It is a super-2 number, since 2×170914998409² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (170914998439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85457499204 + 85457499205.

It is an arithmetic number, because the mean of its divisors is an integer number (85457499205).

Almost surely, 2^170914998409 is an apocalyptic number.

It is an amenable number.

170914998409 is a deficient number, since it is larger than the sum of its proper divisors (1).

170914998409 is an equidigital number, since it uses as much as digits as its factorization.

170914998409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 61.

The spelling of 170914998409 in words is "one hundred seventy billion, nine hundred fourteen million, nine hundred ninety-eight thousand, four hundred nine".