33243441157 has 2 divisors, whose sum is σ = 33243441158. Its totient is φ = 33243441156.

The previous prime is 33243441109. The next prime is 33243441193. The reversal of 33243441157 is 75114434233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17616191076 + 15627250081 = 132726^2 + 125009^2 .

It is an emirp because it is prime and its reverse (75114434233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33243441157 - 2¹¹ = 33243439109 is a prime.

It is a super-2 number, since 2×33243441157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33243141157) 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, 16621720578 + 16621720579.

It is an arithmetic number, because the mean of its divisors is an integer number (16621720579).

Almost surely, 2^33243441157 is an apocalyptic number.

It is an amenable number.

33243441157 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243441157 is an equidigital number, since it uses as much as digits as its factorization.

33243441157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The spelling of 33243441157 in words is "thirty-three billion, two hundred forty-three million, four hundred forty-one thousand, one hundred fifty-seven".