19347378046 has 8 divisors (see below), whose sum is σ = 29028506760. Its totient is φ = 9671209128.

The previous prime is 19347378041. The next prime is 19347378047. The reversal of 19347378046 is 64087374391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19347377984 and 19347378002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19347378041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230181 + ... + 1245808.

It is an arithmetic number, because the mean of its divisors is an integer number (3628563345).

Almost surely, 2^19347378046 is an apocalyptic number.

19347378046 is a deficient number, since it is larger than the sum of its proper divisors (9681128714).

19347378046 is a wasteful number, since it uses less digits than its factorization.

19347378046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479898.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 19347378046 in words is "nineteen billion, three hundred forty-seven million, three hundred seventy-eight thousand, forty-six".