170931336049 has 2 divisors, whose sum is σ = 170931336050. Its totient is φ = 170931336048.

The previous prime is 170931335999. The next prime is 170931336061. The reversal of 170931336049 is 940633139071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160500390625 + 10430945424 = 400625^2 + 102132^2 .

It is a cyclic number.

It is not a de Polignac number, because 170931336049 - 2²⁵ = 170897781617 is a prime.

It is not a weakly prime, because it can be changed into another prime (170931036049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85465668024 + 85465668025.

It is an arithmetic number, because the mean of its divisors is an integer number (85465668025).

Almost surely, 2^170931336049 is an apocalyptic number.

It is an amenable number.

170931336049 is a deficient number, since it is larger than the sum of its proper divisors (1).

170931336049 is an equidigital number, since it uses as much as digits as its factorization.

170931336049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 170931336049 in words is "one hundred seventy billion, nine hundred thirty-one million, three hundred thirty-six thousand, forty-nine".