39012879013889 has 4 divisors (see below), whose sum is σ = 42559504378800. Its totient is φ = 35466253648980.

The previous prime is 39012879013879. The next prime is 39012879013903. The reversal of 39012879013889 is 98831097821093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39012879013889 - 2⁴⁰ = 37913367386113 is a prime.

It is a super-3 number, since 3×39012879013889³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39012879013879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773312682439 + ... + 1773312682460.

It is an arithmetic number, because the mean of its divisors is an integer number (10639876094700).

Almost surely, 2^{39012879013889} is an apocalyptic number.

It is an amenable number.

39012879013889 is a deficient number, since it is larger than the sum of its proper divisors (3546625364911).

39012879013889 is a wasteful number, since it uses less digits than its factorization.

39012879013889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546625364910.

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 39012879013889 in words is "thirty-nine trillion, twelve billion, eight hundred seventy-nine million, thirteen thousand, eight hundred eighty-nine".