5721319953 has 16 divisors (see below), whose sum is σ = 8705112960. Its totient is φ = 3711125808.

The previous prime is 5721319951. The next prime is 5721319987. The reversal of 5721319953 is 3599131275.

5721319953 is a `hidden beast` number, since 572 + 13 + 19 + 9 + 53 = 666.

It is not a de Polignac number, because 5721319953 - 2¹ = 5721319951 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 5721319899 and 5721319908.

It is not an unprimeable number, because it can be changed into a prime (5721319951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862525 + ... + 2864522.

It is an arithmetic number, because the mean of its divisors is an integer number (544069560).

Almost surely, 2^5721319953 is an apocalyptic number.

It is an amenable number.

5721319953 is a deficient number, since it is larger than the sum of its proper divisors (2983793007).

5721319953 is a wasteful number, since it uses less digits than its factorization.

5721319953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727093 (or 5727087 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 5721319953 is about 75639.4074077792. The cubic root of 5721319953 is about 1788.5403613165.

The spelling of 5721319953 in words is "five billion, seven hundred twenty-one million, three hundred nineteen thousand, nine hundred fifty-three".