4194784453 has 2 divisors, whose sum is σ = 4194784454. Its totient is φ = 4194784452.

The previous prime is 4194784439. The next prime is 4194784469. The reversal of 4194784453 is 3544874914.

It is a happy number.

4194784453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4194764289 + 20164 = 64767^2 + 142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4194784453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4194784397 and 4194784406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4194784553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097392226 + 2097392227.

It is an arithmetic number, because the mean of its divisors is an integer number (2097392227).

Almost surely, 2^4194784453 is an apocalyptic number.

It is an amenable number.

4194784453 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194784453 is an equidigital number, since it uses as much as digits as its factorization.

4194784453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 4194784453 is about 64767.1556655069. The cubic root of 4194784453 is about 1612.7605191560.

The spelling of 4194784453 in words is "four billion, one hundred ninety-four million, seven hundred eighty-four thousand, four hundred fifty-three".