5721813626 has 8 divisors (see below), whose sum is σ = 8608651104. Its totient is φ = 2852263260.

The previous prime is 5721813599. The next prime is 5721813637. The reversal of 5721813626 is 6263181275.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4320950 + ... + 4322273.

It is an arithmetic number, because the mean of its divisors is an integer number (1076081388).

Almost surely, 2^5721813626 is an apocalyptic number.

5721813626 is a deficient number, since it is larger than the sum of its proper divisors (2886837478).

5721813626 is a wasteful number, since it uses less digits than its factorization.

5721813626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643556.

The product of its digits is 120960, while the sum is 41.

The square root of 5721813626 is about 75642.6706694046. The cubic root of 5721813626 is about 1788.5918021669.

The spelling of 5721813626 in words is "five billion, seven hundred twenty-one million, eight hundred thirteen thousand, six hundred twenty-six".