19930111382 has 16 divisors (see below), whose sum is σ = 30483438480. Its totient is φ = 9769871712.

The previous prime is 19930111373. The next prime is 19930111391. The reversal of 19930111382 is 28311103991.

It is an interprime number because it is at equal distance from previous prime (19930111373) and next prime (19930111391).

It is a congruent number.

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, 182393 + ... + 270420.

It is an arithmetic number, because the mean of its divisors is an integer number (1905214905).

Almost surely, 2^19930111382 is an apocalyptic number.

19930111382 is a deficient number, since it is larger than the sum of its proper divisors (10553327098).

19930111382 is a wasteful number, since it uses less digits than its factorization.

19930111382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453247.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 19930111382 in words is "nineteen billion, nine hundred thirty million, one hundred eleven thousand, three hundred eighty-two".