38980208521 has 2 divisors, whose sum is σ = 38980208522. Its totient is φ = 38980208520.

The previous prime is 38980208503. The next prime is 38980208539. The reversal of 38980208521 is 12580208983.

It is a balanced prime because it is at equal distance from previous prime (38980208503) and next prime (38980208539).

It can be written as a sum of positive squares in only one way, i.e., 33685463296 + 5294745225 = 183536^2 + 72765^2 .

It is a cyclic number.

It is not a de Polignac number, because 38980208521 - 2¹⁵ = 38980175753 is a prime.

It is not a weakly prime, because it can be changed into another prime (38980208591) 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 as a sum of consecutive naturals, namely, 19490104260 + 19490104261.

It is an arithmetic number, because the mean of its divisors is an integer number (19490104261).

Almost surely, 2^38980208521 is an apocalyptic number.

It is an amenable number.

38980208521 is a deficient number, since it is larger than the sum of its proper divisors (1).

38980208521 is an equidigital number, since it uses as much as digits as its factorization.

38980208521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 38980208521 in words is "thirty-eight billion, nine hundred eighty million, two hundred eight thousand, five hundred twenty-one".