5721565970 has 8 divisors (see below), whose sum is σ = 10298818764. Its totient is φ = 2288626384.

The previous prime is 5721565963. The next prime is 5721566029. The reversal of 5721565970 is 795651275.

It can be written as a sum of positive squares in 2 ways, for example, as 4771631929 + 949934041 = 69077^2 + 30821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286078289 + ... + 286078308.

Almost surely, 2^5721565970 is an apocalyptic number.

5721565970 is a deficient number, since it is larger than the sum of its proper divisors (4577252794).

5721565970 is a wasteful number, since it uses less digits than its factorization.

5721565970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572156604.

The product of its (nonzero) digits is 661500, while the sum is 47.

The square root of 5721565970 is about 75641.0336391565. The cubic root of 5721565970 is about 1788.5659967195.

The spelling of 5721565970 in words is "five billion, seven hundred twenty-one million, five hundred sixty-five thousand, nine hundred seventy".