38529746557 has 2 divisors, whose sum is σ = 38529746558. Its totient is φ = 38529746556.

The previous prime is 38529746513. The next prime is 38529746653. The reversal of 38529746557 is 75564792583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20647103481 + 17882643076 = 143691^2 + 133726^2 .

It is a cyclic number.

It is not a de Polignac number, because 38529746557 - 2³⁵ = 4170008189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38529746495 and 38529746504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38529741557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19264873278 + 19264873279.

It is an arithmetic number, because the mean of its divisors is an integer number (19264873279).

Almost surely, 2^38529746557 is an apocalyptic number.

It is an amenable number.

38529746557 is a deficient number, since it is larger than the sum of its proper divisors (1).

38529746557 is an equidigital number, since it uses as much as digits as its factorization.

38529746557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 61.

The spelling of 38529746557 in words is "thirty-eight billion, five hundred twenty-nine million, seven hundred forty-six thousand, five hundred fifty-seven".