38886773489 has 4 divisors (see below), whose sum is σ = 39088259556. Its totient is φ = 38685287424.

The previous prime is 38886773479. The next prime is 38886773501. The reversal of 38886773489 is 98437768883.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18663658225 + 20223115264 = 136615^2 + 142208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38886773489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38886773479) 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, 100742744 + ... + 100743129.

It is an arithmetic number, because the mean of its divisors is an integer number (9772064889).

Almost surely, 2^38886773489 is an apocalyptic number.

It is an amenable number.

38886773489 is a deficient number, since it is larger than the sum of its proper divisors (201486067).

38886773489 is a wasteful number, since it uses less digits than its factorization.

38886773489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201486066.

The product of its digits is 390168576, while the sum is 71.

The spelling of 38886773489 in words is "thirty-eight billion, eight hundred eighty-six million, seven hundred seventy-three thousand, four hundred eighty-nine".