19371416392 has 8 divisors (see below), whose sum is σ = 36321405750. Its totient is φ = 9685708192.

The previous prime is 19371416381. The next prime is 19371416401. The reversal of 19371416392 is 29361417391.

It can be written as a sum of positive squares in only one way, i.e., 16005792196 + 3365624196 = 126514^2 + 58014^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210713517 + ... + 1210713532.

Almost surely, 2^19371416392 is an apocalyptic number.

It is an amenable number.

19371416392 is a deficient number, since it is larger than the sum of its proper divisors (16949989358).

19371416392 is a wasteful number, since it uses less digits than its factorization.

19371416392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421427055 (or 2421427051 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

Subtracting 19371416392 from its reverse (29361417391), we obtain a palindrome (9990000999).

The spelling of 19371416392 in words is "nineteen billion, three hundred seventy-one million, four hundred sixteen thousand, three hundred ninety-two".