613968826 has 8 divisors (see below), whose sum is σ = 950661504. Its totient is φ = 297081660.

The previous prime is 613968811. The next prime is 613968847. The reversal of 613968826 is 628869316.

It is a happy number.

613968826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 613968826.

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, 4951300 + ... + 4951423.

It is an arithmetic number, because the mean of its divisors is an integer number (118832688).

Almost surely, 2^613968826 is an apocalyptic number.

613968826 is a deficient number, since it is larger than the sum of its proper divisors (336692678).

613968826 is a wasteful number, since it uses less digits than its factorization.

613968826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902756.

The product of its digits is 746496, while the sum is 49.

The square root of 613968826 is about 24778.3943386169. The cubic root of 613968826 is about 849.9279412962.

The spelling of 613968826 in words is "six hundred thirteen million, nine hundred sixty-eight thousand, eight hundred twenty-six".