1912216482 has 54 divisors (see below), whose sum is σ = 4558890609. Its totient is φ = 578841120.

The previous prime is 1912216463. The next prime is 1912216489. The reversal of 1912216482 is 2846122191.

1912216482 is a `hidden beast` number, since 1 + 9 + 1 + 2 + 2 + 1 + 648 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1383170481 + 529046001 = 37191^2 + 23001^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=30921.

It is not an unprimeable number, because it can be changed into a prime (1912216489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2040318 + ... + 2041254.

Almost surely, 2^1912216482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1912216482

1912216482 is an abundant number, since it is smaller than the sum of its proper divisors (2646674127).

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

1912216482 is an equidigital number, since it uses as much as digits as its factorization.

1912216482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 953 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1912216482 is about 43728.8975621385. The cubic root of 1912216482 is about 1241.2111999141.

The spelling of 1912216482 in words is "one billion, nine hundred twelve million, two hundred sixteen thousand, four hundred eighty-two".