1929741912 has 144 divisors (see below), whose sum is σ = 6122142000. Its totient is φ = 547505280.

The previous prime is 1929741907. The next prime is 1929742043. The reversal of 1929741912 is 2191479291.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 523837 + ... + 527507.

It is an arithmetic number, because the mean of its divisors is an integer number (42514875).

Almost surely, 2^1929741912 is an apocalyptic number.

1929741912 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 1929741912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061071000).

1929741912 is an abundant number, since it is smaller than the sum of its proper divisors (4192400088).

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

1929741912 is a wasteful number, since it uses less digits than its factorization.

1929741912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846 (or 3832 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 1929741912 is about 43928.8278013425. The cubic root of 1929741912 is about 1244.9915671757.

The spelling of 1929741912 in words is "one billion, nine hundred twenty-nine million, seven hundred forty-one thousand, nine hundred twelve".