609148512 has 432 divisors, whose sum is σ = 2236695552. Its totient is φ = 159563520.

The previous prime is 609148487. The next prime is 609148609. The reversal of 609148512 is 215841906.

609148512 is a `hidden beast` number, since 609 + 1 + 48 + 5 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19649937 + ... + 19649967.

It is an arithmetic number, because the mean of its divisors is an integer number (5177536).

Almost surely, 2^609148512 is an apocalyptic number.

609148512 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609148512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118347776).

609148512 is an abundant number, since it is smaller than the sum of its proper divisors (1627547040).

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

609148512 is a wasteful number, since it uses less digits than its factorization.

609148512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 609148512 is about 24680.9341800508. The cubic root of 609148512 is about 847.6978127024.

The spelling of 609148512 in words is "six hundred nine million, one hundred forty-eight thousand, five hundred twelve".