4194481493 has 2 divisors, whose sum is σ = 4194481494. Its totient is φ = 4194481492.

The previous prime is 4194481481. The next prime is 4194481531. The reversal of 4194481493 is 3941844914.

It is a happy number.

4194481493 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., 3765908689 + 428572804 = 61367^2 + 20702^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194481493 - 2¹⁴ = 4194465109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4194481433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097240746 + 2097240747.

It is an arithmetic number, because the mean of its divisors is an integer number (2097240747).

Almost surely, 2^4194481493 is an apocalyptic number.

It is an amenable number.

4194481493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194481493 is an equidigital number, since it uses as much as digits as its factorization.

4194481493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 47.

The square root of 4194481493 is about 64764.8167834975. The cubic root of 4194481493 is about 1612.7216920763.

The spelling of 4194481493 in words is "four billion, one hundred ninety-four million, four hundred eighty-one thousand, four hundred ninety-three".