4450019197 has 4 divisors (see below), whose sum is σ = 4792328380. Its totient is φ = 4107710016.

The previous prime is 4450019179. The next prime is 4450019207. The reversal of 4450019197 is 7919100544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2669685561 + 1780333636 = 51669^2 + 42194^2 .

It is a cyclic number.

It is not a de Polignac number, because 4450019197 - 2⁷ = 4450019069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450019117) 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, 171154572 + ... + 171154597.

It is an arithmetic number, because the mean of its divisors is an integer number (1198082095).

Almost surely, 2^4450019197 is an apocalyptic number.

It is an amenable number.

4450019197 is a deficient number, since it is larger than the sum of its proper divisors (342309183).

4450019197 is a wasteful number, since it uses less digits than its factorization.

4450019197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342309182.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 4450019197 is about 66708.4642080748. The cubic root of 4450019197 is about 1644.8285217730.

The spelling of 4450019197 in words is "four billion, four hundred fifty million, nineteen thousand, one hundred ninety-seven".