39011947389 has 6 divisors (see below), whose sum is σ = 56350590686. Its totient is φ = 26007964920.

The previous prime is 39011947367. The next prime is 39011947417. The reversal of 39011947389 is 98374911093.

It is a happy number.

39011947389 is a `hidden beast` number, since 3 + 90 + 1 + 1 + 9 + 473 + 89 = 666.

39011947389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20318221764 + 18693725625 = 142542^2 + 136725^2 .

It is not a de Polignac number, because 39011947389 - 2⁹ = 39011946877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39011947339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2167330402 + ... + 2167330419.

Almost surely, 2^39011947389 is an apocalyptic number.

It is an amenable number.

39011947389 is a deficient number, since it is larger than the sum of its proper divisors (17338643297).

39011947389 is a wasteful number, since it uses less digits than its factorization.

39011947389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334660827 (or 4334660824 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 39011947389 in words is "thirty-nine billion, eleven million, nine hundred forty-seven thousand, three hundred eighty-nine".