39390820397169 has 8 divisors (see below), whose sum is σ = 53185917836160. Its totient is φ = 25928134944816.

The previous prime is 39390820397153. The next prime is 39390820397191. The reversal of 39390820397169 is 96179302809393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39390820397169 - 2⁴ = 39390820397153 is a prime.

It is a super-2 number, since 2×39390820397169² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39390820397119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83102996382 + ... + 83102996855.

It is an arithmetic number, because the mean of its divisors is an integer number (6648239729520).

Almost surely, 2^{39390820397169} is an apocalyptic number.

It is an amenable number.

39390820397169 is a deficient number, since it is larger than the sum of its proper divisors (13795097438991).

39390820397169 is a wasteful number, since it uses less digits than its factorization.

39390820397169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166205993319.

The product of its (nonzero) digits is 119042784, while the sum is 69.

The spelling of 39390820397169 in words is "thirty-nine trillion, three hundred ninety billion, eight hundred twenty million, three hundred ninety-seven thousand, one hundred sixty-nine".