170923249393 has 16 divisors (see below), whose sum is σ = 187222210560. Its totient is φ = 155075325696.

The previous prime is 170923249361. The next prime is 170923249429. The reversal of 170923249393 is 393942329071.

It is a cyclic number.

It is not a de Polignac number, because 170923249393 - 2⁵ = 170923249361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 170923249393.

It is not an unprimeable number, because it can be changed into a prime (170923249193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766096 + ... + 5795662.

It is an arithmetic number, because the mean of its divisors is an integer number (11701388160).

Almost surely, 2^170923249393 is an apocalyptic number.

170923249393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

170923249393 is a deficient number, since it is larger than the sum of its proper divisors (16298961167).

170923249393 is a wasteful number, since it uses less digits than its factorization.

170923249393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37176.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 170923249393 in words is "one hundred seventy billion, nine hundred twenty-three million, two hundred forty-nine thousand, three hundred ninety-three".