4981315536 has 80 divisors (see below), whose sum is σ = 14318637120. Its totient is φ = 1658067840.

The previous prime is 4981315523. The next prime is 4981315553. The reversal of 4981315536 is 6355131894.

4981315536 is a `hidden beast` number, since 4 + 9 + 81 + 31 + 5 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4981315491 and 4981315500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308791 + ... + 324521.

It is an arithmetic number, because the mean of its divisors is an integer number (178982964).

Almost surely, 2^4981315536 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 4981315536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7159318560).

4981315536 is an abundant number, since it is smaller than the sum of its proper divisors (9337321584).

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

4981315536 is a wasteful number, since it uses less digits than its factorization.

4981315536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481 (or 16469 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 4981315536 is about 70578.4353467828. The cubic root of 4981315536 is about 1707.8432890278.

The spelling of 4981315536 in words is "four billion, nine hundred eighty-one million, three hundred fifteen thousand, five hundred thirty-six".