19713022679 has 8 divisors (see below), whose sum is σ = 22548417408. Its totient is φ = 16882440120.

The previous prime is 19713022663. The next prime is 19713022757. The reversal of 19713022679 is 97622031791.

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

It is not a de Polignac number, because 19713022679 - 2⁴ = 19713022663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19713022649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194257 + ... + 1210650.

It is an arithmetic number, because the mean of its divisors is an integer number (2818552176).

Almost surely, 2^19713022679 is an apocalyptic number.

19713022679 is a deficient number, since it is larger than the sum of its proper divisors (2835394729).

19713022679 is a wasteful number, since it uses less digits than its factorization.

19713022679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406085.

The product of its (nonzero) digits is 285768, while the sum is 47.

The spelling of 19713022679 in words is "nineteen billion, seven hundred thirteen million, twenty-two thousand, six hundred seventy-nine".