4563993654 has 64 divisors (see below), whose sum is σ = 11171796480. Its totient is φ = 1369582560.

The previous prime is 4563993647. The next prime is 4563993677.

4563993654 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4563993654.

It is a congruent number.

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, 23884 + ... + 98480.

It is an arithmetic number, because the mean of its divisors is an integer number (174559320).

Almost surely, 2^4563993654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4563993654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5585898240).

4563993654 is an abundant number, since it is smaller than the sum of its proper divisors (6607802826).

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

4563993654 is a wasteful number, since it uses less digits than its factorization.

4563993654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74722 (or 74716 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The square root of 4563993654 is about 67557.3360487223. The cubic root of 4563993654 is about 1658.7528317978.

The spelling of 4563993654 in words is "four billion, five hundred sixty-three million, nine hundred ninety-three thousand, six hundred fifty-four".