19768698379 has 4 divisors (see below), whose sum is σ = 19855785384. Its totient is φ = 19681611376.

The previous prime is 19768698373. The next prime is 19768698401. The reversal of 19768698379 is 97389686791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19768698379 - 2¹¹ = 19768696331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19768698373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43543162 + ... + 43543615.

It is an arithmetic number, because the mean of its divisors is an integer number (4963946346).

Almost surely, 2^19768698379 is an apocalyptic number.

19768698379 is a deficient number, since it is larger than the sum of its proper divisors (87087005).

19768698379 is an equidigital number, since it uses as much as digits as its factorization.

19768698379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87087004.

The product of its digits is 246903552, while the sum is 73.

It can be divided in two parts, 197686 and 98379, that added together give a triangular number (296065 = T₇₆₉).

The spelling of 19768698379 in words is "nineteen billion, seven hundred sixty-eight million, six hundred ninety-eight thousand, three hundred seventy-nine".