1919021483 has 8 divisors (see below), whose sum is σ = 1937251248. Its totient is φ = 1900813824.

The previous prime is 1919021479. The next prime is 1919021563. The reversal of 1919021483 is 3841209191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1919021483 - 2² = 1919021479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1919021443) 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 7 ways as a sum of consecutive naturals, for example, 207116 + ... + 216182.

It is an arithmetic number, because the mean of its divisors is an integer number (242156406).

Almost surely, 2^1919021483 is an apocalyptic number.

1919021483 is a deficient number, since it is larger than the sum of its proper divisors (18229765).

1919021483 is a wasteful number, since it uses less digits than its factorization.

1919021483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1919021483 is about 43806.6374308734. The cubic root of 1919021483 is about 1242.6818220692.

The spelling of 1919021483 in words is "one billion, nine hundred nineteen million, twenty-one thousand, four hundred eighty-three".