5729986945 has 4 divisors (see below), whose sum is σ = 6875984340. Its totient is φ = 4583989552.

The previous prime is 5729986943. The next prime is 5729986949. The reversal of 5729986945 is 5496899275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3832600464 + 1897386481 = 61908^2 + 43559^2 .

It is a cyclic number.

It is not a de Polignac number, because 5729986945 - 2¹ = 5729986943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5729986943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572998690 + ... + 572998699.

It is an arithmetic number, because the mean of its divisors is an integer number (1718996085).

Almost surely, 2^5729986945 is an apocalyptic number.

It is an amenable number.

5729986945 is a deficient number, since it is larger than the sum of its proper divisors (1145997395).

5729986945 is a wasteful number, since it uses less digits than its factorization.

5729986945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145997394.

The product of its digits is 48988800, while the sum is 64.

The square root of 5729986945 is about 75696.6772388326. The cubic root of 5729986945 is about 1789.4430343769.

The spelling of 5729986945 in words is "five billion, seven hundred twenty-nine million, nine hundred eighty-six thousand, nine hundred forty-five".