2119515384 has 192 divisors, whose sum is σ = 6503362560. Its totient is φ = 573108480.

The previous prime is 2119515371. The next prime is 2119515397. The reversal of 2119515384 is 4835159112.

It is an interprime number because it is at equal distance from previous prime (2119515371) and next prime (2119515397).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1712814 + ... + 1714050.

It is an arithmetic number, because the mean of its divisors is an integer number (33871680).

Almost surely, 2^2119515384 is an apocalyptic number.

2119515384 is a gapful number since it is divisible by the number (24) 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 2119515384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251681280).

2119515384 is an abundant number, since it is smaller than the sum of its proper divisors (4383847176).

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

2119515384 is a wasteful number, since it uses less digits than its factorization.

2119515384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1327 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 2119515384 is about 46038.1948386337. The cubic root of 2119515384 is about 1284.5337645523.

The spelling of 2119515384 in words is "two billion, one hundred nineteen million, five hundred fifteen thousand, three hundred eighty-four".