4563635856 has 160 divisors (see below), whose sum is σ = 13645876608. Its totient is φ = 1301667840.

The previous prime is 4563635819. The next prime is 4563635893. The reversal of 4563635856 is 6585363654.

It is an interprime number because it is at equal distance from previous prime (4563635819) and next prime (4563635893).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 4563635799 and 4563635808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707526 + ... + 713946.

Almost surely, 2^4563635856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4563635856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6822938304).

4563635856 is an abundant number, since it is smaller than the sum of its proper divisors (9082240752).

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

4563635856 is a wasteful number, since it uses less digits than its factorization.

4563635856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529 (or 6523 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 51.

The square root of 4563635856 is about 67554.6878906268. The cubic root of 4563635856 is about 1658.7094842385.

The spelling of 4563635856 in words is "four billion, five hundred sixty-three million, six hundred thirty-five thousand, eight hundred fifty-six".