38885538973 has 2 divisors, whose sum is σ = 38885538974. Its totient is φ = 38885538972.

The previous prime is 38885538959. The next prime is 38885538977. The reversal of 38885538973 is 37983558883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32669478009 + 6216060964 = 180747^2 + 78842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38885538973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38885538899 and 38885538908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38885538977) 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, 19442769486 + 19442769487.

It is an arithmetic number, because the mean of its divisors is an integer number (19442769487).

Almost surely, 2^38885538973 is an apocalyptic number.

It is an amenable number.

38885538973 is a deficient number, since it is larger than the sum of its proper divisors (1).

38885538973 is an equidigital number, since it uses as much as digits as its factorization.

38885538973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174182400, while the sum is 67.

The spelling of 38885538973 in words is "thirty-eight billion, eight hundred eighty-five million, five hundred thirty-eight thousand, nine hundred seventy-three".