170273042643 has 16 divisors (see below), whose sum is σ = 253429646976. Its totient is φ = 100795880640.

The previous prime is 170273042623. The next prime is 170273042657. The reversal of 170273042643 is 346240372071.

It is a happy number.

It is not a de Polignac number, because 170273042643 - 2⁶ = 170273042579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170273042623) 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 15 ways as a sum of consecutive naturals, for example, 59996130 + ... + 59998967.

It is an arithmetic number, because the mean of its divisors is an integer number (15839352936).

Almost surely, 2^170273042643 is an apocalyptic number.

170273042643 is a deficient number, since it is larger than the sum of its proper divisors (83156604333).

170273042643 is a wasteful number, since it uses less digits than its factorization.

170273042643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119995154.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 170273042643 in words is "one hundred seventy billion, two hundred seventy-three million, forty-two thousand, six hundred forty-three".