2191853130 has 16 divisors (see below), whose sum is σ = 5260447584. Its totient is φ = 584494160.

The previous prime is 2191853117. The next prime is 2191853137. The reversal of 2191853130 is 313581912.

It is a junction number, because it is equal to n+sod(n) for n = 2191853091 and 2191853100.

It is not an unprimeable number, because it can be changed into a prime (2191853137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36530856 + ... + 36530915.

It is an arithmetic number, because the mean of its divisors is an integer number (328777974).

Almost surely, 2^2191853130 is an apocalyptic number.

2191853130 is an abundant number, since it is smaller than the sum of its proper divisors (3068594454).

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

2191853130 is a wasteful number, since it uses less digits than its factorization.

2191853130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73061781.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2191853130 is about 46817.2311227394. The cubic root of 2191853130 is about 1298.9840444976.

The spelling of 2191853130 in words is "two billion, one hundred ninety-one million, eight hundred fifty-three thousand, one hundred thirty".