38782655573 has 2 divisors, whose sum is σ = 38782655574. Its totient is φ = 38782655572.

The previous prime is 38782655567. The next prime is 38782655651. The reversal of 38782655573 is 37555628783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38119438564 + 663217009 = 195242^2 + 25753^2 .

It is an emirp because it is prime and its reverse (37555628783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38782655573 - 2⁴ = 38782655557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38782655563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19391327786 + 19391327787.

It is an arithmetic number, because the mean of its divisors is an integer number (19391327787).

Almost surely, 2^38782655573 is an apocalyptic number.

It is an amenable number.

38782655573 is a deficient number, since it is larger than the sum of its proper divisors (1).

38782655573 is an equidigital number, since it uses as much as digits as its factorization.

38782655573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 59.

The spelling of 38782655573 in words is "thirty-eight billion, seven hundred eighty-two million, six hundred fifty-five thousand, five hundred seventy-three".