5705913781 has 2 divisors, whose sum is σ = 5705913782. Its totient is φ = 5705913780.

The previous prime is 5705913737. The next prime is 5705913809. The reversal of 5705913781 is 1873195075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635504900 + 70408881 = 75070^2 + 8391^2 .

It is a cyclic number.

It is not a de Polignac number, because 5705913781 - 2²³ = 5697525173 is a prime.

It is a super-2 number, since 2×5705913781² = 65114904152411431922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5705913481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852956890 + 2852956891.

It is an arithmetic number, because the mean of its divisors is an integer number (2852956891).

Almost surely, 2^5705913781 is an apocalyptic number.

It is an amenable number.

5705913781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5705913781 is an equidigital number, since it uses as much as digits as its factorization.

5705913781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 46.

The square root of 5705913781 is about 75537.4991709416. The cubic root of 5705913781 is about 1786.9335450350.

The spelling of 5705913781 in words is "five billion, seven hundred five million, nine hundred thirteen thousand, seven hundred eighty-one".