38053250021 has 2 divisors, whose sum is σ = 38053250022. Its totient is φ = 38053250020.

The previous prime is 38053250003. The next prime is 38053250033. The reversal of 38053250021 is 12005235083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26191861921 + 11861388100 = 161839^2 + 108910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38053250021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38053250821) 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, 19026625010 + 19026625011.

It is an arithmetic number, because the mean of its divisors is an integer number (19026625011).

Almost surely, 2^38053250021 is an apocalyptic number.

It is an amenable number.

38053250021 is a deficient number, since it is larger than the sum of its proper divisors (1).

38053250021 is an equidigital number, since it uses as much as digits as its factorization.

38053250021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 38053250021 in words is "thirty-eight billion, fifty-three million, two hundred fifty thousand, twenty-one".