196422454849 has 4 divisors (see below), whose sum is σ = 200601656064. Its totient is φ = 192243253636.

The previous prime is 196422454829. The next prime is 196422454897. The reversal of 196422454849 is 948454224691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948454224691 = 704579 ⋅1346129.

It is a cyclic number.

It is not a de Polignac number, because 196422454849 - 2¹¹ = 196422452801 is a prime.

It is a super-2 number, since 2×196422454849² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196422454793 and 196422454802.

It is not an unprimeable number, because it can be changed into a prime (196422454829) 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, 2089600537 + ... + 2089600630.

It is an arithmetic number, because the mean of its divisors is an integer number (50150414016).

Almost surely, 2^196422454849 is an apocalyptic number.

It is an amenable number.

196422454849 is a deficient number, since it is larger than the sum of its proper divisors (4179201215).

196422454849 is an equidigital number, since it uses as much as digits as its factorization.

196422454849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179201214.

The product of its digits is 19906560, while the sum is 58.

The spelling of 196422454849 in words is "one hundred ninety-six billion, four hundred twenty-two million, four hundred fifty-four thousand, eight hundred forty-nine".