1920183493 has 8 divisors (see below), whose sum is σ = 1983973376. Its totient is φ = 1856509200.

The previous prime is 1920183479. The next prime is 1920183511. The reversal of 1920183493 is 3943810291.

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 1920183493 - 2⁹ = 1920182981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920183893) 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, 5548 + ... + 62218.

It is an arithmetic number, because the mean of its divisors is an integer number (247996672).

Almost surely, 2^1920183493 is an apocalyptic number.

It is an amenable number.

1920183493 is a deficient number, since it is larger than the sum of its proper divisors (63789883).

1920183493 is a wasteful number, since it uses less digits than its factorization.

1920183493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57795.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1920183493 is about 43819.8983682071. The cubic root of 1920183493 is about 1242.9325952463.

The spelling of 1920183493 in words is "one billion, nine hundred twenty million, one hundred eighty-three thousand, four hundred ninety-three".