39038707993 has 4 divisors (see below), whose sum is σ = 39051676368. Its totient is φ = 39025739620.

The previous prime is 39038707963. The next prime is 39038707997. The reversal of 39038707993 is 39970783093.

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 a cyclic number.

It is not a de Polignac number, because 39038707993 - 2¹³ = 39038699801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39038707997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6479671 + ... + 6485692.

It is an arithmetic number, because the mean of its divisors is an integer number (9762919092).

Almost surely, 2^39038707993 is an apocalyptic number.

It is an amenable number.

39038707993 is a deficient number, since it is larger than the sum of its proper divisors (12968375).

39038707993 is a wasteful number, since it uses less digits than its factorization.

39038707993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968374.

The product of its (nonzero) digits is 7715736, while the sum is 58.

The spelling of 39038707993 in words is "thirty-nine billion, thirty-eight million, seven hundred seven thousand, nine hundred ninety-three".