39846647313 has 12 divisors (see below), whose sum is σ = 62788656528. Its totient is φ = 24149483160.

The previous prime is 39846647299. The next prime is 39846647353. The reversal of 39846647313 is 31374664893.

It is a happy number.

39846647313 is a `hidden beast` number, since 39 + 84 + 66 + 473 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-39846647313 is a prime.

It is a super-2 number, since 2×39846647313² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39846647313.

It is not an unprimeable number, because it can be changed into a prime (39846647353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201245595 + ... + 201245792.

It is an arithmetic number, because the mean of its divisors is an integer number (5232388044).

Almost surely, 2^39846647313 is an apocalyptic number.

39846647313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39846647313 is a deficient number, since it is larger than the sum of its proper divisors (22942009215).

39846647313 is a wasteful number, since it uses less digits than its factorization.

39846647313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402491404 (or 402491401 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 39846647313 in words is "thirty-nine billion, eight hundred forty-six million, six hundred forty-seven thousand, three hundred thirteen".