609613290 has 320 divisors, whose sum is σ = 2034426240. Its totient is φ = 128770560.

The previous prime is 609613289. The next prime is 609613349. The reversal of 609613290 is 92316906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2200632 + ... + 2200908.

It is an arithmetic number, because the mean of its divisors is an integer number (6357582).

Almost surely, 2^609613290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609613290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017213120).

609613290 is an abundant number, since it is smaller than the sum of its proper divisors (1424812950).

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

609613290 is a wasteful number, since it uses less digits than its factorization.

609613290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 609613290 is about 24690.3481141923. The cubic root of 609613290 is about 847.9133546292.

The spelling of 609613290 in words is "six hundred nine million, six hundred thirteen thousand, two hundred ninety".