1949091298 has 16 divisors (see below), whose sum is σ = 3645054144. Its totient is φ = 759386160.

The previous prime is 1949091289. The next prime is 1949091311. The reversal of 1949091298 is 8921909491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6328065 + ... + 6328372.

It is an arithmetic number, because the mean of its divisors is an integer number (227815884).

Almost surely, 2^1949091298 is an apocalyptic number.

1949091298 is a deficient number, since it is larger than the sum of its proper divisors (1695962846).

1949091298 is a wasteful number, since it uses less digits than its factorization.

1949091298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656457.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 1949091298 is about 44148.5141086311. The cubic root of 1949091298 is about 1249.1388838260.

The spelling of 1949091298 in words is "one billion, nine hundred forty-nine million, ninety-one thousand, two hundred ninety-eight".