19642699616323 has 8 divisors (see below), whose sum is σ = 23424834325248. Its totient is φ = 16104573598344.

The previous prime is 19642699616311. The next prime is 19642699616347. The reversal of 19642699616323 is 32361699624691.

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

It is not a de Polignac number, because 19642699616323 - 2²⁹ = 19642162745411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19642699616363) 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, 61002172561 + ... + 61002172882.

It is an arithmetic number, because the mean of its divisors is an integer number (2928104290656).

Almost surely, 2^{19642699616323} is an apocalyptic number.

19642699616323 is a deficient number, since it is larger than the sum of its proper divisors (3782134708925).

19642699616323 is a wasteful number, since it uses less digits than its factorization.

19642699616323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122004345473.

The product of its digits is 136048896, while the sum is 67.

The spelling of 19642699616323 in words is "nineteen trillion, six hundred forty-two billion, six hundred ninety-nine million, six hundred sixteen thousand, three hundred twenty-three".