2146447193 has 24 divisors (see below), whose sum is σ = 2481690624. Its totient is φ = 1851474240.

The previous prime is 2146447189. The next prime is 2146447201. The reversal of 2146447193 is 3917446412.

It is not a de Polignac number, because 2146447193 - 2² = 2146447189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2146447193.

It is not an unprimeable number, because it can be changed into a prime (2146447103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350405 + ... + 356477.

It is an arithmetic number, because the mean of its divisors is an integer number (103403776).

Almost surely, 2^2146447193 is an apocalyptic number.

2146447193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2146447193 is a deficient number, since it is larger than the sum of its proper divisors (335243431).

2146447193 is a wasteful number, since it uses less digits than its factorization.

2146447193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6234 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 2146447193 is about 46329.7657343527. The cubic root of 2146447193 is about 1289.9515621898.

The spelling of 2146447193 in words is "two billion, one hundred forty-six million, four hundred forty-seven thousand, one hundred ninety-three".