170949473 has 2 divisors, whose sum is σ = 170949474. Its totient is φ = 170949472.

The previous prime is 170949463. The next prime is 170949487. The reversal of 170949473 is 374949071.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133102369 + 37847104 = 11537^2 + 6152^2 .

It is a cyclic number.

It is not a de Polignac number, because 170949473 - 2¹⁸ = 170687329 is a prime.

It is not a weakly prime, because it can be changed into another prime (170949413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85474736 + 85474737.

It is an arithmetic number, because the mean of its divisors is an integer number (85474737).

Almost surely, 2^170949473 is an apocalyptic number.

It is an amenable number.

170949473 is a deficient number, since it is larger than the sum of its proper divisors (1).

170949473 is an equidigital number, since it uses as much as digits as its factorization.

170949473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 170949473 is about 13074.7647397573. The cubic root of 170949473 is about 554.9952362765.

The spelling of 170949473 in words is "one hundred seventy million, nine hundred forty-nine thousand, four hundred seventy-three".