5644619825 has 48 divisors (see below), whose sum is σ = 7649510400. Its totient is φ = 4106976000.

The previous prime is 5644619821. The next prime is 5644619843. The reversal of 5644619825 is 5289164465.

It is not a de Polignac number, because 5644619825 - 2² = 5644619821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5644619821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11783936 + ... + 11784414.

It is an arithmetic number, because the mean of its divisors is an integer number (159364800).

Almost surely, 2^5644619825 is an apocalyptic number.

It is an amenable number.

5644619825 is a deficient number, since it is larger than the sum of its proper divisors (2004890575).

5644619825 is a wasteful number, since it uses less digits than its factorization.

5644619825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 957 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 5644619825 is about 75130.6849762466. The cubic root of 5644619825 is about 1780.5119750403.

The spelling of 5644619825 in words is "five billion, six hundred forty-four million, six hundred nineteen thousand, eight hundred twenty-five".