38481811837 has 16 divisors (see below), whose sum is σ = 44316986112. Its totient is φ = 32731747200.

The previous prime is 38481811829. The next prime is 38481811873. The reversal of 38481811837 is 73811818483.

It is a cyclic number.

It is not a de Polignac number, because 38481811837 - 2³ = 38481811829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38481814837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675183 + ... + 729955.

It is an arithmetic number, because the mean of its divisors is an integer number (2769811632).

Almost surely, 2^38481811837 is an apocalyptic number.

It is an amenable number.

38481811837 is a deficient number, since it is larger than the sum of its proper divisors (5835174275).

38481811837 is a wasteful number, since it uses less digits than its factorization.

38481811837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55548.

The product of its digits is 1032192, while the sum is 52.

The spelling of 38481811837 in words is "thirty-eight billion, four hundred eighty-one million, eight hundred eleven thousand, eight hundred thirty-seven".