38879041639 has 4 divisors (see below), whose sum is σ = 38879478856. Its totient is φ = 38878604424.

The previous prime is 38879041609. The next prime is 38879041657. The reversal of 38879041639 is 93614097883.

38879041639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93614097883 = 239527 ⋅390829.

It is a cyclic number.

It is not a de Polignac number, because 38879041639 - 2⁷ = 38879041511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38879041609) 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, 32289 + ... + 280714.

It is an arithmetic number, because the mean of its divisors is an integer number (9719869714).

Almost surely, 2^38879041639 is an apocalyptic number.

38879041639 is a deficient number, since it is larger than the sum of its proper divisors (437217).

38879041639 is a wasteful number, since it uses less digits than its factorization.

38879041639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437216.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 38879041639 in words is "thirty-eight billion, eight hundred seventy-nine million, forty-one thousand, six hundred thirty-nine".