19348638314 has 8 divisors (see below), whose sum is σ = 29023734180. Its totient is φ = 9674060256.

The previous prime is 19348638301. The next prime is 19348638347. The reversal of 19348638314 is 41383684391.

It can be written as a sum of positive squares in 2 ways, for example, as 14162190025 + 5186448289 = 119005^2 + 72017^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16229 + ... + 197384.

Almost surely, 2^19348638314 is an apocalyptic number.

19348638314 is a deficient number, since it is larger than the sum of its proper divisors (9675095866).

19348638314 is a wasteful number, since it uses less digits than its factorization.

19348638314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258904.

The product of its digits is 1492992, while the sum is 50.

The spelling of 19348638314 in words is "nineteen billion, three hundred forty-eight million, six hundred thirty-eight thousand, three hundred fourteen".