5721630436 has 12 divisors (see below), whose sum is σ = 10539845680. Its totient is φ = 2710245960.

The previous prime is 5721630407. The next prime is 5721630437. The reversal of 5721630436 is 6340361275.

It is a junction number, because it is equal to n+sod(n) for n = 5721630395 and 5721630404.

It is not an unprimeable number, because it can be changed into a prime (5721630437) 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, 37642230 + ... + 37642381.

Almost surely, 2^5721630436 is an apocalyptic number.

It is an amenable number.

5721630436 is a deficient number, since it is larger than the sum of its proper divisors (4818215244).

5721630436 is a wasteful number, since it uses less digits than its factorization.

5721630436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75284634 (or 75284632 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 5721630436 is about 75641.4597690975. The cubic root of 5721630436 is about 1788.5727140682.

The spelling of 5721630436 in words is "five billion, seven hundred twenty-one million, six hundred thirty thousand, four hundred thirty-six".