5685551739 has 12 divisors (see below), whose sum is σ = 9385672816. Its totient is φ = 3248886672.

The previous prime is 5685551737. The next prime is 5685551747. The reversal of 5685551739 is 9371555865.

5685551739 is a `hidden beast` number, since 5 + 6 + 85 + 551 + 7 + 3 + 9 = 666.

It is not a de Polignac number, because 5685551739 - 2¹ = 5685551737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5685551731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45123364 + ... + 45123489.

Almost surely, 2^5685551739 is an apocalyptic number.

5685551739 is a deficient number, since it is larger than the sum of its proper divisors (3700121077).

5685551739 is a wasteful number, since it uses less digits than its factorization.

5685551739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90246866 (or 90246863 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 54.

The square root of 5685551739 is about 75402.5976939787. The cubic root of 5685551739 is about 1784.8054030736.

The spelling of 5685551739 in words is "five billion, six hundred eighty-five million, five hundred fifty-one thousand, seven hundred thirty-nine".