5644619136 has 160 divisors (see below), whose sum is σ = 18090903600. Its totient is φ = 1736764416.

The previous prime is 5644619119. The next prime is 5644619153. The reversal of 5644619136 is 6319164465.

5644619136 is a `hidden beast` number, since 56 + 4 + 461 + 9 + 136 = 666.

It is an interprime number because it is at equal distance from previous prime (5644619119) and next prime (5644619153).

It is a junction number, because it is equal to n+sod(n) for n = 5644619091 and 5644619100.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 113845 + ... + 155723.

Almost surely, 2^5644619136 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 5644619136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9045451800).

5644619136 is an abundant number, since it is smaller than the sum of its proper divisors (12446284464).

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

5644619136 is a wasteful number, since it uses less digits than its factorization.

5644619136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41918 (or 41897 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 5644619136 is about 75130.6803909029. The cubic root of 5644619136 is about 1780.5119025954.

The spelling of 5644619136 in words is "five billion, six hundred forty-four million, six hundred nineteen thousand, one hundred thirty-six".