38838634831 has 8 divisors (see below), whose sum is σ = 41040276480. Its totient is φ = 36679743672.

The previous prime is 38838634823. The next prime is 38838634837. The reversal of 38838634831 is 13843683883.

38838634831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38838634831 - 2³ = 38838634823 is a prime.

It is a super-2 number, since 2×38838634831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38838634837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10685755 + ... + 10689388.

It is an arithmetic number, because the mean of its divisors is an integer number (5130034560).

Almost surely, 2^38838634831 is an apocalyptic number.

38838634831 is a deficient number, since it is larger than the sum of its proper divisors (2201641649).

38838634831 is a wasteful number, since it uses less digits than its factorization.

38838634831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375245.

The product of its digits is 7962624, while the sum is 55.

The spelling of 38838634831 in words is "thirty-eight billion, eight hundred thirty-eight million, six hundred thirty-four thousand, eight hundred thirty-one".