196653939419 has 4 divisors (see below), whose sum is σ = 224747359344. Its totient is φ = 168560519496.

The previous prime is 196653939401. The next prime is 196653939431. The reversal of 196653939419 is 914939356691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914939356691 = 4447 ⋅205743053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196653939419 is a prime.

It is a super-2 number, since 2×196653939419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196643939419) 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, 14046709952 + ... + 14046709965.

It is an arithmetic number, because the mean of its divisors is an integer number (56186839836).

Almost surely, 2^196653939419 is an apocalyptic number.

196653939419 is a deficient number, since it is larger than the sum of its proper divisors (28093419925).

196653939419 is an equidigital number, since it uses as much as digits as its factorization.

196653939419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28093419924.

The product of its digits is 42515280, while the sum is 65.

The spelling of 196653939419 in words is "one hundred ninety-six billion, six hundred fifty-three million, nine hundred thirty-nine thousand, four hundred nineteen".