2119545000 has 480 divisors, whose sum is σ = 7870605600. Its totient is φ = 513216000.

The previous prime is 2119544951. The next prime is 2119545017. The reversal of 2119545000 is 5459112.

2119545000 is a `hidden beast` number, since 2 + 119 + 545 + 0 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 31634967 + ... + 31635033.

It is an arithmetic number, because the mean of its divisors is an integer number (16397095).

Almost surely, 2^2119545000 is an apocalyptic number.

2119545000 is a gapful number since it is divisible by the number (20) 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 2119545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3935302800).

2119545000 is an abundant number, since it is smaller than the sum of its proper divisors (5751060600).

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

2119545000 is a wasteful number, since it uses less digits than its factorization.

2119545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2119545000 is about 46038.5164834837. The cubic root of 2119545000 is about 1284.5397474569.

The spelling of 2119545000 in words is "two billion, one hundred nineteen million, five hundred forty-five thousand".