38988622463569 has 9 divisors (see below), whose sum is σ = 39099776403163. Its totient is φ = 38877783675232.

The previous prime is 38988622463563. The next prime is 38988622463597. The reversal of 38988622463569 is 96536422688983.

The square root of 38988622463569 is 6244087.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8550097643025 + 30438524820544 = 2924055^2 + 5517112^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38988622463569 is a prime.

It is a super-2 number, since 2×38988622463569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38988622463563) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2241618537 + ... + 2241635929.

Almost surely, 2^{38988622463569} is an apocalyptic number.

38988622463569 is the 6244087-th square number.

38988622463569 is the 3122044-th centered octagonal number.

It is an amenable number.

38988622463569 is a deficient number, since it is larger than the sum of its proper divisors (111153939594).

38988622463569 is an frugal number, since it uses more digits than its factorization.

38988622463569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35504 (or 17752 counting only the distinct ones).

The product of its digits is 6449725440, while the sum is 79.

The spelling of 38988622463569 in words is "thirty-eight trillion, nine hundred eighty-eight billion, six hundred twenty-two million, four hundred sixty-three thousand, five hundred sixty-nine".