39289993685 has 8 divisors (see below), whose sum is σ = 49197905280. Its totient is φ = 30065386384.

The previous prime is 39289993663. The next prime is 39289993753. The reversal of 39289993685 is 58639998293.

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

It is a cyclic number.

It is not a de Polignac number, because 39289993685 - 2¹⁴ = 39289977301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170825945 + ... + 170826174.

It is an arithmetic number, because the mean of its divisors is an integer number (6149738160).

Almost surely, 2^39289993685 is an apocalyptic number.

It is an amenable number.

39289993685 is a deficient number, since it is larger than the sum of its proper divisors (9907911595).

39289993685 is a wasteful number, since it uses less digits than its factorization.

39289993685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341652147.

The product of its digits is 226748160, while the sum is 71.

The spelling of 39289993685 in words is "thirty-nine billion, two hundred eighty-nine million, nine hundred ninety-three thousand, six hundred eighty-five".