613968854 has 16 divisors (see below), whose sum is σ = 979130592. Its totient is φ = 288095808.

The previous prime is 613968851. The next prime is 613968871. The reversal of 613968854 is 458869316.

613968854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613968851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123479 + ... + 128354.

It is an arithmetic number, because the mean of its divisors is an integer number (61195662).

Almost surely, 2^613968854 is an apocalyptic number.

613968854 is a deficient number, since it is larger than the sum of its proper divisors (365161738).

613968854 is a wasteful number, since it uses less digits than its factorization.

613968854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251911.

The product of its digits is 1244160, while the sum is 50.

The square root of 613968854 is about 24778.3949036252. The cubic root of 613968854 is about 849.9279542165.

The spelling of 613968854 in words is "six hundred thirteen million, nine hundred sixty-eight thousand, eight hundred fifty-four".