33085775137 has 2 divisors, whose sum is σ = 33085775138. Its totient is φ = 33085775136.

The previous prime is 33085775053. The next prime is 33085775141. The reversal of 33085775137 is 73157758033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32996359201 + 89415936 = 181649^2 + 9456^2 .

It is a cyclic number.

It is not a de Polignac number, because 33085775137 - 2¹⁵ = 33085742369 is a prime.

It is a super-2 number, since 2×33085775137² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33085775147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16542887568 + 16542887569.

It is an arithmetic number, because the mean of its divisors is an integer number (16542887569).

Almost surely, 2^33085775137 is an apocalyptic number.

It is an amenable number.

33085775137 is a deficient number, since it is larger than the sum of its proper divisors (1).

33085775137 is an equidigital number, since it uses as much as digits as its factorization.

33085775137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 33085775137 in words is "thirty-three billion, eighty-five million, seven hundred seventy-five thousand, one hundred thirty-seven".