4639345523660 has 24 divisors (see below), whose sum is σ = 9833678179920. Its totient is φ = 1838394860864.

The previous prime is 4639345523651. The next prime is 4639345523663. The reversal of 4639345523660 is 663255439364.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4639345523596 and 4639345523605.

It is not an unprimeable number, because it can be changed into a prime (4639345523663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083957095 + ... + 1083961374.

It is an arithmetic number, because the mean of its divisors is an integer number (409736590830).

Almost surely, 2^{4639345523660} is an apocalyptic number.

It is an amenable number.

4639345523660 is an abundant number, since it is smaller than the sum of its proper divisors (5194332656260).

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

4639345523660 is a wasteful number, since it uses less digits than its factorization.

4639345523660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167918585 (or 2167918583 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 56.

The spelling of 4639345523660 in words is "four trillion, six hundred thirty-nine billion, three hundred forty-five million, five hundred twenty-three thousand, six hundred sixty".