38528697973 has 2 divisors, whose sum is σ = 38528697974. Its totient is φ = 38528697972.

The previous prime is 38528697953. The next prime is 38528698073. The reversal of 38528697973 is 37979682583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21986365284 + 16542332689 = 148278^2 + 128617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38528697973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38528697899 and 38528697908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38528697953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19264348986 + 19264348987.

It is an arithmetic number, because the mean of its divisors is an integer number (19264348987).

Almost surely, 2^38528697973 is an apocalyptic number.

It is an amenable number.

38528697973 is a deficient number, since it is larger than the sum of its proper divisors (1).

38528697973 is an equidigital number, since it uses as much as digits as its factorization.

38528697973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 67.

The spelling of 38528697973 in words is "thirty-eight billion, five hundred twenty-eight million, six hundred ninety-seven thousand, nine hundred seventy-three".