5781169133 has 2 divisors, whose sum is σ = 5781169134. Its totient is φ = 5781169132.

The previous prime is 5781169129. The next prime is 5781169181. The reversal of 5781169133 is 3319611875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3823814569 + 1957354564 = 61837^2 + 44242^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781169133 - 2² = 5781169129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5781169123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890584566 + 2890584567.

It is an arithmetic number, because the mean of its divisors is an integer number (2890584567).

Almost surely, 2^5781169133 is an apocalyptic number.

It is an amenable number.

5781169133 is a deficient number, since it is larger than the sum of its proper divisors (1).

5781169133 is an equidigital number, since it uses as much as digits as its factorization.

5781169133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 5781169133 is about 76033.9998487519. Note that the first 3 decimals coincide. The cubic root of 5781169133 is about 1794.7552197101.

The spelling of 5781169133 in words is "five billion, seven hundred eighty-one million, one hundred sixty-nine thousand, one hundred thirty-three".