2119598856 has 192 divisors, whose sum is σ = 6197368320. Its totient is φ = 652861440.

The previous prime is 2119598851. The next prime is 2119598861. The reversal of 2119598856 is 6588959112.

It is an interprime number because it is at equal distance from previous prime (2119598851) and next prime (2119598861).

It is not an unprimeable number, because it can be changed into a prime (2119598851) 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, 8794896 + ... + 8795136.

It is an arithmetic number, because the mean of its divisors is an integer number (32277960).

Almost surely, 2^2119598856 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 2119598856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3098684160).

2119598856 is an abundant number, since it is smaller than the sum of its proper divisors (4077769464).

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

2119598856 is a wasteful number, since it uses less digits than its factorization.

2119598856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 429 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 54.

The square root of 2119598856 is about 46039.1013813259. The cubic root of 2119598856 is about 1284.5506270854.

The spelling of 2119598856 in words is "two billion, one hundred nineteen million, five hundred ninety-eight thousand, eight hundred fifty-six".