1949819035 has 4 divisors (see below), whose sum is σ = 2339782848. Its totient is φ = 1559855224.

The previous prime is 1949819023. The next prime is 1949819057. The reversal of 1949819035 is 5309189491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1949819035 - 2⁷ = 1949818907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1949819035.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 194981899 + ... + 194981908.

It is an arithmetic number, because the mean of its divisors is an integer number (584945712).

Almost surely, 2^1949819035 is an apocalyptic number.

1949819035 is a deficient number, since it is larger than the sum of its proper divisors (389963813).

1949819035 is an equidigital number, since it uses as much as digits as its factorization.

1949819035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389963812.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1949819035 is about 44156.7552589635. The cubic root of 1949819035 is about 1249.2943291646.

The spelling of 1949819035 in words is "one billion, nine hundred forty-nine million, eight hundred nineteen thousand, thirty-five".