609113380 has 12 divisors (see below), whose sum is σ = 1279138140. Its totient is φ = 243645344.

The previous prime is 609113377. The next prime is 609113411. The reversal of 609113380 is 83311906.

It can be written as a sum of positive squares in 2 ways, for example, as 464488704 + 144624676 = 21552^2 + 12026^2 .

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, 15227815 + ... + 15227854.

It is an arithmetic number, because the mean of its divisors is an integer number (106594845).

Almost surely, 2^609113380 is an apocalyptic number.

It is an amenable number.

609113380 is an abundant number, since it is smaller than the sum of its proper divisors (670024760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609113380 is a wasteful number, since it uses less digits than its factorization.

609113380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30455678 (or 30455676 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 609113380 is about 24680.2224463233. Note that the first 3 decimals coincide. The cubic root of 609113380 is about 847.6815156958.

The spelling of 609113380 in words is "six hundred nine million, one hundred thirteen thousand, three hundred eighty".