609335682644 has 12 divisors (see below), whose sum is σ = 1148363402004. Its totient is φ = 281231853504.

The previous prime is 609335682589. The next prime is 609335682713. The reversal of 609335682644 is 446286533906.

It can be written as a sum of positive squares in 2 ways, for example, as 410765628100 + 198570054544 = 640910^2 + 445612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 609335682644.

It is a congruent number.

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, 5858996897 + ... + 5858997000.

It is an arithmetic number, because the mean of its divisors is an integer number (95696950167).

Almost surely, 2^609335682644 is an apocalyptic number.

It is an amenable number.

609335682644 is a deficient number, since it is larger than the sum of its proper divisors (539027719360).

609335682644 is a wasteful number, since it uses less digits than its factorization.

609335682644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717993914 (or 11717993912 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 609335682644 in words is "six hundred nine billion, three hundred thirty-five million, six hundred eighty-two thousand, six hundred forty-four".