38550706227521 has 2 divisors, whose sum is σ = 38550706227522. Its totient is φ = 38550706227520.

The previous prime is 38550706227463. The next prime is 38550706227533. The reversal of 38550706227521 is 12572260705583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20458750228225 + 18091955999296 = 4523135^2 + 4253464^2 .

It is a cyclic number.

It is not a de Polignac number, because 38550706227521 - 2¹⁸ = 38550705965377 is a prime.

It is a super-2 number, since 2×38550706227521² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38550706227571) 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, 19275353113760 + 19275353113761.

It is an arithmetic number, because the mean of its divisors is an integer number (19275353113761).

Almost surely, 2^{38550706227521} is an apocalyptic number.

It is an amenable number.

38550706227521 is a deficient number, since it is larger than the sum of its proper divisors (1).

38550706227521 is an equidigital number, since it uses as much as digits as its factorization.

38550706227521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 38550706227521 in words is "thirty-eight trillion, five hundred fifty billion, seven hundred six million, two hundred twenty-seven thousand, five hundred twenty-one".