5781433536 has 112 divisors (see below), whose sum is σ = 17544775680. Its totient is φ = 1864961280.

The previous prime is 5781433529. The next prime is 5781433547. The reversal of 5781433536 is 6353341875.

5781433536 is a `hidden beast` number, since 5 + 7 + 81 + 4 + 33 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5781433491 and 5781433500.

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, 396 + ... + 107531.

Almost surely, 2^5781433536 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 5781433536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8772387840).

5781433536 is an abundant number, since it is smaller than the sum of its proper divisors (11763342144).

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

5781433536 is a wasteful number, since it uses less digits than its factorization.

5781433536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107979 (or 107963 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 5781433536 is about 76035.7385444503. The cubic root of 5781433536 is about 1794.7825804636.

The spelling of 5781433536 in words is "five billion, seven hundred eighty-one million, four hundred thirty-three thousand, five hundred thirty-six".