1912983912 has 192 divisors, whose sum is σ = 6284865600. Its totient is φ = 537425280.

The previous prime is 1912983911. The next prime is 1912983923. The reversal of 1912983912 is 2193892191.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1912983911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 644143 + ... + 647105.

It is an arithmetic number, because the mean of its divisors is an integer number (32733675).

Almost surely, 2^1912983912 is an apocalyptic number.

1912983912 is a gapful number since it is divisible by the number (12) 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 1912983912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142432800).

1912983912 is an abundant number, since it is smaller than the sum of its proper divisors (4371881688).

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

1912983912 is a wasteful number, since it uses less digits than its factorization.

1912983912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3036 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 1912983912 is about 43737.6715429617. The cubic root of 1912983912 is about 1241.3772228375.

It can be divided in two parts, 19129 and 83912, that added together give a square (103041 = 321²).

The spelling of 1912983912 in words is "one billion, nine hundred twelve million, nine hundred eighty-three thousand, nine hundred twelve".