19688377382 has 32 divisors (see below), whose sum is σ = 31450174560. Its totient is φ = 9211829760.

The previous prime is 19688377381. The next prime is 19688377403. The reversal of 19688377382 is 28377388691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19688377381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4535369 + ... + 4539707.

It is an arithmetic number, because the mean of its divisors is an integer number (982817955).

Almost surely, 2^19688377382 is an apocalyptic number.

19688377382 is a deficient number, since it is larger than the sum of its proper divisors (11761797178).

19688377382 is a wasteful number, since it uses less digits than its factorization.

19688377382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096.

The product of its digits is 24385536, while the sum is 62.

The spelling of 19688377382 in words is "nineteen billion, six hundred eighty-eight million, three hundred seventy-seven thousand, three hundred eighty-two".