609948803520 has 168 divisors, whose sum is σ = 2397679780704. Its totient is φ = 139416864768.

The previous prime is 609948803509. The next prime is 609948803521. The reversal of 609948803520 is 25308849906.

609948803520 is a `hidden beast` number, since 609 + 9 + 4 + 8 + 8 + 0 + 3 + 5 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609948803521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15107539 + ... + 15147858.

Almost surely, 2^609948803520 is an apocalyptic number.

609948803520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609948803520 is an abundant number, since it is smaller than the sum of its proper divisors (1787730977184).

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

609948803520 is a wasteful number, since it uses less digits than its factorization.

609948803520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255427 (or 30255414 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 609948803520 in words is "six hundred nine billion, nine hundred forty-eight million, eight hundred three thousand, five hundred twenty".