38573276561 has 2 divisors, whose sum is σ = 38573276562. Its totient is φ = 38573276560.

The previous prime is 38573276557. The next prime is 38573276597. The reversal of 38573276561 is 16567237583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23599104400 + 14974172161 = 153620^2 + 122369^2 .

It is a cyclic number.

It is not a de Polignac number, because 38573276561 - 2² = 38573276557 is a prime.

It is not a weakly prime, because it can be changed into another prime (38573276501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19286638280 + 19286638281.

It is an arithmetic number, because the mean of its divisors is an integer number (19286638281).

Almost surely, 2^38573276561 is an apocalyptic number.

It is an amenable number.

38573276561 is a deficient number, since it is larger than the sum of its proper divisors (1).

38573276561 is an equidigital number, since it uses as much as digits as its factorization.

38573276561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 53.

The spelling of 38573276561 in words is "thirty-eight billion, five hundred seventy-three million, two hundred seventy-six thousand, five hundred sixty-one".