39065746985 has 8 divisors (see below), whose sum is σ = 46881970440. Its totient is φ = 31250548224.

The previous prime is 39065746933. The next prime is 39065747009. The reversal of 39065746985 is 58964756093.

It can be written as a sum of positive squares in 4 ways, for example, as 635241616 + 38430505369 = 25204^2 + 196037^2 .

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 39065746985 - 2¹⁸ = 39065484841 is a prime.

It is a super-2 number, since 2×39065746985² (a number of 22 digits) contains 22 as substring.

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, 169640 + ... + 326969.

It is an arithmetic number, because the mean of its divisors is an integer number (5860246305).

Almost surely, 2^39065746985 is an apocalyptic number.

It is an amenable number.

39065746985 is a deficient number, since it is larger than the sum of its proper divisors (7816223455).

39065746985 is a wasteful number, since it uses less digits than its factorization.

39065746985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512347.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 39065746985 in words is "thirty-nine billion, sixty-five million, seven hundred forty-six thousand, nine hundred eighty-five".