5491395000 has 800 divisors, whose sum is σ = 23814252000. Its totient is φ = 1150848000.

The previous prime is 5491394981. The next prime is 5491395047. The reversal of 5491395000 is 5931945.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 36854926 + ... + 36855074.

It is an arithmetic number, because the mean of its divisors is an integer number (29767815).

Almost surely, 2^5491395000 is an apocalyptic number.

5491395000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491395000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11907126000).

5491395000 is an abundant number, since it is smaller than the sum of its proper divisors (18322857000).

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

5491395000 is a wasteful number, since it uses less digits than its factorization.

5491395000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 5491395000 is about 74103.9472632869. The cubic root of 5491395000 is about 1764.2531220832.

The spelling of 5491395000 in words is "five billion, four hundred ninety-one million, three hundred ninety-five thousand".