38580381407 has 4 divisors (see below), whose sum is σ = 39623094456. Its totient is φ = 37537668360.

The previous prime is 38580381379. The next prime is 38580381419. The reversal of 38580381407 is 70418308583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38580381407 - 2³⁴ = 21400512223 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 (38580381457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521356469 + ... + 521356542.

It is an arithmetic number, because the mean of its divisors is an integer number (9905773614).

Almost surely, 2^38580381407 is an apocalyptic number.

38580381407 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38580381407 is a deficient number, since it is larger than the sum of its proper divisors (1042713049).

38580381407 is a wasteful number, since it uses less digits than its factorization.

38580381407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042713048.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 38580381407 in words is "thirty-eight billion, five hundred eighty million, three hundred eighty-one thousand, four hundred seven".