38545677391 has 16 divisors (see below), whose sum is σ = 43323840000. Its totient is φ = 34027123680.

The previous prime is 38545677371. The next prime is 38545677407. The reversal of 38545677391 is 19377654583.

It is not a de Polignac number, because 38545677391 - 2⁹ = 38545676879 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 (38545677301) 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 15 ways as a sum of consecutive naturals, for example, 2233606 + ... + 2250796.

It is an arithmetic number, because the mean of its divisors is an integer number (2707740000).

Almost surely, 2^38545677391 is an apocalyptic number.

38545677391 is a deficient number, since it is larger than the sum of its proper divisors (4778162609).

38545677391 is a wasteful number, since it uses less digits than its factorization.

38545677391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24726.

The product of its digits is 19051200, while the sum is 58.

The spelling of 38545677391 in words is "thirty-eight billion, five hundred forty-five million, six hundred seventy-seven thousand, three hundred ninety-one".