38509191484 has 48 divisors (see below), whose sum is σ = 69064763040. Its totient is φ = 18782945280.

The previous prime is 38509191463. The next prime is 38509191491. The reversal of 38509191484 is 48419190583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12465012 + ... + 12468100.

It is an arithmetic number, because the mean of its divisors is an integer number (1438849230).

Almost surely, 2^38509191484 is an apocalyptic number.

It is an amenable number.

38509191484 is a deficient number, since it is larger than the sum of its proper divisors (30555571556).

38509191484 is a wasteful number, since it uses less digits than its factorization.

38509191484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

Subtracting 38509191484 from its reverse (48419190583), we obtain a palindrome (9909999099).

The spelling of 38509191484 in words is "thirty-eight billion, five hundred nine million, one hundred ninety-one thousand, four hundred eighty-four".