1219916498 has 16 divisors (see below), whose sum is σ = 1938173184. Its totient is φ = 573883200.

The previous prime is 1219916479. The next prime is 1219916513. The reversal of 1219916498 is 8946199121.

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, 164711 + ... + 171957.

It is an arithmetic number, because the mean of its divisors is an integer number (121135824).

Almost surely, 2^1219916498 is an apocalyptic number.

1219916498 is a deficient number, since it is larger than the sum of its proper divisors (718256686).

1219916498 is a wasteful number, since it uses less digits than its factorization.

1219916498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12217.

The product of its digits is 279936, while the sum is 50.

The square root of 1219916498 is about 34927.3030450391. The cubic root of 1219916498 is about 1068.5053513496.

The spelling of 1219916498 in words is "one billion, two hundred nineteen million, nine hundred sixteen thousand, four hundred ninety-eight".