39812981299 has 12 divisors (see below), whose sum is σ = 49269827856. Its totient is φ = 31500379872.

The previous prime is 39812981293. The next prime is 39812981321. The reversal of 39812981299 is 99218921893.

It is not a de Polignac number, because 39812981299 - 2¹⁷ = 39812850227 is a prime.

It is a super-3 number, since 3×39812981299³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39812981293) 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, 16825944 + ... + 16828309.

It is an arithmetic number, because the mean of its divisors is an integer number (4105818988).

Almost surely, 2^39812981299 is an apocalyptic number.

39812981299 is a deficient number, since it is larger than the sum of its proper divisors (9456846557).

39812981299 is a wasteful number, since it uses less digits than its factorization.

39812981299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33654286 (or 33654273 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 61.

The spelling of 39812981299 in words is "thirty-nine billion, eight hundred twelve million, nine hundred eighty-one thousand, two hundred ninety-nine".