609922572578 has 54 divisors (see below), whose sum is σ = 1023615666801. Its totient is φ = 272361315600.

The previous prime is 609922572559. The next prime is 609922572601. The reversal of 609922572578 is 875275229906.

It can be written as a sum of positive squares in 2 ways, for example, as 413144274169 + 196778298409 = 642763^2 + 443597^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=552233.

It is a super-3 number, since 3×609922572578³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 609922572578.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 741096275 + ... + 741097097.

Almost surely, 2^609922572578 is an apocalyptic number.

609922572578 is a deficient number, since it is larger than the sum of its proper divisors (413693094223).

609922572578 is an frugal number, since it uses more digits than its factorization.

609922572578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 609922572578 in words is "six hundred nine billion, nine hundred twenty-two million, five hundred seventy-two thousand, five hundred seventy-eight".