5645429064 has 192 divisors, whose sum is σ = 17435658240. Its totient is φ = 1634935680.

The previous prime is 5645429063. The next prime is 5645429077. The reversal of 5645429064 is 4609245465.

5645429064 is a `hidden beast` number, since 56 + 454 + 2 + 90 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (5645429063) 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, 1598869 + ... + 1602395.

It is an arithmetic number, because the mean of its divisors is an integer number (90810720).

Almost surely, 2^5645429064 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 5645429064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8717829120).

5645429064 is an abundant number, since it is smaller than the sum of its proper divisors (11790229176).

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

5645429064 is a wasteful number, since it uses less digits than its factorization.

5645429064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 5645429064 is about 75136.0703257763. The cubic root of 5645429064 is about 1780.5970584722.

The spelling of 5645429064 in words is "five billion, six hundred forty-five million, four hundred twenty-nine thousand, sixty-four".