4489621726 has 16 divisors (see below), whose sum is σ = 6779250720. Its totient is φ = 2229907680.

The previous prime is 4489621711. The next prime is 4489621789. The reversal of 4489621726 is 6271269844.

It is a self number, because there is not a number n which added to its sum of digits gives 4489621726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251815 + ... + 269053.

It is an arithmetic number, because the mean of its divisors is an integer number (423703170).

Almost surely, 2^4489621726 is an apocalyptic number.

4489621726 is a deficient number, since it is larger than the sum of its proper divisors (2289628994).

4489621726 is a wasteful number, since it uses less digits than its factorization.

4489621726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18099.

The product of its digits is 1161216, while the sum is 49.

The square root of 4489621726 is about 67004.6395856287. The cubic root of 4489621726 is about 1649.6934509784.

The spelling of 4489621726 in words is "four billion, four hundred eighty-nine million, six hundred twenty-one thousand, seven hundred twenty-six".