38488981579 has 4 divisors (see below), whose sum is σ = 39016227976. Its totient is φ = 37961735184.

The previous prime is 38488981543. The next prime is 38488981591. The reversal of 38488981579 is 97518988483.

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 38488981579 - 2⁷ = 38488981451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38488981079) 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 3 ways as a sum of consecutive naturals, for example, 263623089 + ... + 263623234.

It is an arithmetic number, because the mean of its divisors is an integer number (9754056994).

Almost surely, 2^38488981579 is an apocalyptic number.

38488981579 is a deficient number, since it is larger than the sum of its proper divisors (527246397).

38488981579 is an equidigital number, since it uses as much as digits as its factorization.

38488981579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527246396.

The product of its digits is 139345920, while the sum is 70.

The spelling of 38488981579 in words is "thirty-eight billion, four hundred eighty-eight million, nine hundred eighty-one thousand, five hundred seventy-nine".