5691345408 has 480 divisors, whose sum is σ = 20268952704. Its totient is φ = 1500512256.

The previous prime is 5691345403. The next prime is 5691345419. The reversal of 5691345408 is 8045431965.

5691345408 is a `hidden beast` number, since 569 + 1 + 3 + 45 + 40 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (5691345403) 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, 53190091 + ... + 53190197.

Almost surely, 2^5691345408 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 5691345408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10134476352).

5691345408 is an abundant number, since it is smaller than the sum of its proper divisors (14577607296).

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

5691345408 is a wasteful number, since it uses less digits than its factorization.

5691345408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 5691345408 is about 75441.0061438738. The cubic root of 5691345408 is about 1785.4114457700.

The spelling of 5691345408 in words is "five billion, six hundred ninety-one million, three hundred forty-five thousand, four hundred eight".