1921849096 has 16 divisors (see below), whose sum is σ = 3604285440. Its totient is φ = 960706320.

The previous prime is 1921849081. The next prime is 1921849121. The reversal of 1921849096 is 6909481291.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 13785 + ... + 63511.

It is an arithmetic number, because the mean of its divisors is an integer number (225267840).

Almost surely, 2^1921849096 is an apocalyptic number.

It is an amenable number.

1921849096 is a deficient number, since it is larger than the sum of its proper divisors (1682436344).

1921849096 is a wasteful number, since it uses less digits than its factorization.

1921849096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54564 (or 54560 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1921849096 is about 43838.8993474973. The cubic root of 1921849096 is about 1243.2918723621.

The spelling of 1921849096 in words is "one billion, nine hundred twenty-one million, eight hundred forty-nine thousand, ninety-six".