609427736064 has 960 divisors, whose sum is σ = 2188836334080. Its totient is φ = 167284776960.

The previous prime is 609427736063. The next prime is 609427736101. The reversal of 609427736064 is 460637724906.

609427736064 is a `hidden beast` number, since 6 + 0 + 9 + 4 + 27 + 7 + 3 + 606 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 609427736064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609427736063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9990618594 + ... + 9990618654.

It is an arithmetic number, because the mean of its divisors is an integer number (2280037848).

Almost surely, 2^609427736064 is an apocalyptic number.

609427736064 is a gapful number since it is divisible by the number (64) 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 609427736064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094418167040).

609427736064 is an abundant number, since it is smaller than the sum of its proper divisors (1579408598016).

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

609427736064 is an frugal number, since it uses more digits than its factorization.

609427736064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 609427736064 in words is "six hundred nine billion, four hundred twenty-seven million, seven hundred thirty-six thousand, sixty-four".