19380954328 has 8 divisors (see below), whose sum is σ = 36339289380. Its totient is φ = 9690477160.

The previous prime is 19380954319. The next prime is 19380954371. The reversal of 19380954328 is 82345908391.

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

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, 1211309638 + ... + 1211309653.

Almost surely, 2^19380954328 is an apocalyptic number.

It is an amenable number.

19380954328 is a deficient number, since it is larger than the sum of its proper divisors (16958335052).

19380954328 is a wasteful number, since it uses less digits than its factorization.

19380954328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422619297 (or 2422619293 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 19380954328 in words is "nineteen billion, three hundred eighty million, nine hundred fifty-four thousand, three hundred twenty-eight".