5721315975 has 18 divisors (see below), whose sum is σ = 10247513016. Its totient is φ = 3051368400.

The previous prime is 5721315973. The next prime is 5721315991. The reversal of 5721315975 is 5795131275.

5721315975 is a `hidden beast` number, since 5 + 7 + 21 + 31 + 597 + 5 = 666.

It is not a de Polignac number, because 5721315975 - 2¹ = 5721315973 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5721315975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721315973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12713811 + ... + 12714260.

Almost surely, 2^5721315975 is an apocalyptic number.

5721315975 is a deficient number, since it is larger than the sum of its proper divisors (4526197041).

5721315975 is a wasteful number, since it uses less digits than its factorization.

5721315975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428087 (or 25428079 counting only the distinct ones).

The product of its digits is 330750, while the sum is 45.

The square root of 5721315975 is about 75639.3811119578. The cubic root of 5721315975 is about 1788.5399467959.

The spelling of 5721315975 in words is "five billion, seven hundred twenty-one million, three hundred fifteen thousand, nine hundred seventy-five".