38571791172133 has 2 divisors, whose sum is σ = 38571791172134. Its totient is φ = 38571791172132.

The previous prime is 38571791172043. The next prime is 38571791172137. The reversal of 38571791172133 is 33127119717583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25154969413729 + 13416821758404 = 5015473^2 + 3662898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38571791172133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38571791172137) 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, 19285895586066 + 19285895586067.

It is an arithmetic number, because the mean of its divisors is an integer number (19285895586067).

Almost surely, 2^{38571791172133} is an apocalyptic number.

It is an amenable number.

38571791172133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38571791172133 is an equidigital number, since it uses as much as digits as its factorization.

38571791172133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 58.

The spelling of 38571791172133 in words is "thirty-eight trillion, five hundred seventy-one billion, seven hundred ninety-one million, one hundred seventy-two thousand, one hundred thirty-three".