1920006349 has 2 divisors, whose sum is σ = 1920006350. Its totient is φ = 1920006348.

The previous prime is 1920006317. The next prime is 1920006371. The reversal of 1920006349 is 9436000291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1386072900 + 533933449 = 37230^2 + 23107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1920006349 - 2⁵ = 1920006317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1920006149) 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 as a sum of consecutive naturals, namely, 960003174 + 960003175.

It is an arithmetic number, because the mean of its divisors is an integer number (960003175).

Almost surely, 2^1920006349 is an apocalyptic number.

It is an amenable number.

1920006349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1920006349 is an equidigital number, since it uses as much as digits as its factorization.

1920006349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1920006349 is about 43817.8770480725. The cubic root of 1920006349 is about 1242.8943723675.

The spelling of 1920006349 in words is "one billion, nine hundred twenty million, six thousand, three hundred forty-nine".