652473052218 has 96 divisors (see below), whose sum is σ = 1553905276560. Its totient is φ = 196624696320.

The previous prime is 652473052207. The next prime is 652473052237. The reversal of 652473052218 is 812250374256.

652473052218 is a `hidden beast` number, since 6 + 52 + 4 + 73 + 0 + 522 + 1 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 182599818489 + 469873233729 = 427317^2 + 685473^2 .

It is a super-3 number, since 3×652473052218³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7010508 + ... + 7102968.

Almost surely, 2^652473052218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652473052218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776952638280).

652473052218 is an abundant number, since it is smaller than the sum of its proper divisors (901432224342).

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

652473052218 is a wasteful number, since it uses less digits than its factorization.

652473052218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93104 (or 93101 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 652473052218 in words is "six hundred fifty-two billion, four hundred seventy-three million, fifty-two thousand, two hundred eighteen".