39893063912 has 16 divisors (see below), whose sum is σ = 80553302340. Its totient is φ = 18412183296.

The previous prime is 39893063891. The next prime is 39893063921. The reversal of 39893063912 is 21936039893.

It can be written as a sum of positive squares in 2 ways, for example, as 39127213636 + 765850276 = 197806^2 + 27674^2 .

It is a super-3 number, since 3×39893063912³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191793473 + ... + 191793680.

Almost surely, 2^39893063912 is an apocalyptic number.

It is an amenable number.

39893063912 is an abundant number, since it is smaller than the sum of its proper divisors (40660238428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39893063912 is a wasteful number, since it uses less digits than its factorization.

39893063912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383587172 (or 383587168 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 39893063912 in words is "thirty-nine billion, eight hundred ninety-three million, sixty-three thousand, nine hundred twelve".