5369335781 has 2 divisors, whose sum is σ = 5369335782. Its totient is φ = 5369335780.

The previous prime is 5369335757. The next prime is 5369335793. The reversal of 5369335781 is 1875339635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3963835681 + 1405500100 = 62959^2 + 37490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5369335781 is a prime.

It is a super-2 number, since 2×5369335781² = 57659533458253759922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5369335681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2684667890 + 2684667891.

It is an arithmetic number, because the mean of its divisors is an integer number (2684667891).

Almost surely, 2^5369335781 is an apocalyptic number.

It is an amenable number.

5369335781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5369335781 is an equidigital number, since it uses as much as digits as its factorization.

5369335781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 50.

The square root of 5369335781 is about 73275.7516576937. The cubic root of 5369335781 is about 1751.0834956651.

The spelling of 5369335781 in words is "five billion, three hundred sixty-nine million, three hundred thirty-five thousand, seven hundred eighty-one".