5721318970 has 8 divisors (see below), whose sum is σ = 10298374164. Its totient is φ = 2288527584.

The previous prime is 5721318949. The next prime is 5721318973. The reversal of 5721318970 is 798131275.

It can be written as a sum of positive squares in 2 ways, for example, as 5709464721 + 11854249 = 75561^2 + 3443^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5721318973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286065939 + ... + 286065958.

Almost surely, 2^5721318970 is an apocalyptic number.

5721318970 is a deficient number, since it is larger than the sum of its proper divisors (4577055194).

5721318970 is a wasteful number, since it uses less digits than its factorization.

5721318970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572131904.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 5721318970 is about 75639.4009098433. The cubic root of 5721318970 is about 1788.5402588847.

The spelling of 5721318970 in words is "five billion, seven hundred twenty-one million, three hundred eighteen thousand, nine hundred seventy".