196619219942 has 8 divisors (see below), whose sum is σ = 304442663232. Its totient is φ = 95138332200.

The previous prime is 196619219917. The next prime is 196619219977. The reversal of 196619219942 is 249912916691.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585638809 + ... + 1585638932.

It is an arithmetic number, because the mean of its divisors is an integer number (38055332904).

Almost surely, 2^196619219942 is an apocalyptic number.

196619219942 is a deficient number, since it is larger than the sum of its proper divisors (107823443290).

196619219942 is a wasteful number, since it uses less digits than its factorization.

196619219942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171277774.

The product of its digits is 3779136, while the sum is 59.

The spelling of 196619219942 in words is "one hundred ninety-six billion, six hundred nineteen million, two hundred nineteen thousand, nine hundred forty-two".