1219473368 has 8 divisors (see below), whose sum is σ = 2286512580. Its totient is φ = 609736680.

The previous prime is 1219473313. The next prime is 1219473379. The reversal of 1219473368 is 8633749121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1219473368² = 2974230590522526848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76217078 + ... + 76217093.

Almost surely, 2^1219473368 is an apocalyptic number.

It is an amenable number.

1219473368 is a deficient number, since it is larger than the sum of its proper divisors (1067039212).

1219473368 is a wasteful number, since it uses less digits than its factorization.

1219473368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152434177 (or 152434173 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1219473368 is about 34920.9588642695. The cubic root of 1219473368 is about 1068.3759588545.

The spelling of 1219473368 in words is "one billion, two hundred nineteen million, four hundred seventy-three thousand, three hundred sixty-eight".