1959849459 has 16 divisors (see below), whose sum is σ = 2940236800. Its totient is φ = 1290026088.

The previous prime is 1959849439. The next prime is 1959849461. The reversal of 1959849459 is 9549489591.

1959849459 is a `hidden beast` number, since 1 + 9 + 5 + 98 + 494 + 59 = 666.

It is not a de Polignac number, because 1959849459 - 2⁵ = 1959849427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1959849396 and 1959849405.

It is not an unprimeable number, because it can be changed into a prime (1959849439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457279 + ... + 461544.

It is an arithmetic number, because the mean of its divisors is an integer number (183764800).

Almost surely, 2^1959849459 is an apocalyptic number.

1959849459 is a deficient number, since it is larger than the sum of its proper divisors (980387341).

1959849459 is an equidigital number, since it uses as much as digits as its factorization.

1959849459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918911 (or 918905 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The square root of 1959849459 is about 44270.1870224195. The cubic root of 1959849459 is about 1251.4329080453.

The spelling of 1959849459 in words is "one billion, nine hundred fifty-nine million, eight hundred forty-nine thousand, four hundred fifty-nine".