613145075306 has 8 divisors (see below), whose sum is σ = 921368813220. Its totient is φ = 306022137568.

The previous prime is 613145075281. The next prime is 613145075381. The reversal of 613145075306 is 603570541316.

613145075306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 603870422281 + 9274653025 = 777091^2 + 96305^2 .

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, 275198651 + ... + 275200878.

Almost surely, 2^613145075306 is an apocalyptic number.

613145075306 is a deficient number, since it is larger than the sum of its proper divisors (308223737914).

613145075306 is a wasteful number, since it uses less digits than its factorization.

613145075306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550400088.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 613145075306 in words is "six hundred thirteen billion, one hundred forty-five million, seventy-five thousand, three hundred six".