19468678862 has 4 divisors (see below), whose sum is σ = 29203018296. Its totient is φ = 9734339430.

The previous prime is 19468678861. The next prime is 19468678883. The reversal of 19468678862 is 26887686491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26887686491 = 463 ⋅58072757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19468678861) 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 as a sum of consecutive naturals, namely, 4867169714 + ... + 4867169717.

It is an arithmetic number, because the mean of its divisors is an integer number (7300754574).

Almost surely, 2^19468678862 is an apocalyptic number.

19468678862 is a deficient number, since it is larger than the sum of its proper divisors (9734339434).

19468678862 is an equidigital number, since it uses as much as digits as its factorization.

19468678862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9734339433.

The product of its digits is 55738368, while the sum is 65.

The spelling of 19468678862 in words is "nineteen billion, four hundred sixty-eight million, six hundred seventy-eight thousand, eight hundred sixty-two".