5361881634 has 96 divisors (see below), whose sum is σ = 12609717120. Its totient is φ = 1640311296.

The previous prime is 5361881633. The next prime is 5361881699. The reversal of 5361881634 is 4361881635.

5361881634 is a `hidden beast` number, since 5 + 3 + 6 + 1 + 8 + 8 + 1 + 634 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5361881634.

It is not an unprimeable number, because it can be changed into a prime (5361881633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2902099 + ... + 2903945.

It is an arithmetic number, because the mean of its divisors is an integer number (131351220).

Almost surely, 2^5361881634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5361881634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6304858560).

5361881634 is an abundant number, since it is smaller than the sum of its proper divisors (7247835486).

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

5361881634 is a wasteful number, since it uses less digits than its factorization.

5361881634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104 (or 2101 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 5361881634 is about 73224.8703242280. The cubic root of 5361881634 is about 1750.2727883874.

Subtracting from 5361881634 its reverse (4361881635), we obtain a palindrome (999999999).

The spelling of 5361881634 in words is "five billion, three hundred sixty-one million, eight hundred eighty-one thousand, six hundred thirty-four".