5721435572 has 18 divisors (see below), whose sum is σ = 10567224738. Its totient is φ = 2710153008.

The previous prime is 5721435539. The next prime is 5721435593. The reversal of 5721435572 is 2755341275.

It can be written as a sum of positive squares in only one way, i.e., 5649626896 + 71808676 = 75164^2 + 8474^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1979663 + ... + 1982550.

It is an arithmetic number, because the mean of its divisors is an integer number (587068041).

Almost surely, 2^5721435572 is an apocalyptic number.

It is an amenable number.

5721435572 is a deficient number, since it is larger than the sum of its proper divisors (4845789166).

5721435572 is a wasteful number, since it uses less digits than its factorization.

5721435572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962255 (or 3962234 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 5721435572 is about 75640.1716814551. The cubic root of 5721435572 is about 1788.5524091107.

The spelling of 5721435572 in words is "five billion, seven hundred twenty-one million, four hundred thirty-five thousand, five hundred seventy-two".