3994766497 has 2 divisors, whose sum is σ = 3994766498. Its totient is φ = 3994766496.

The previous prime is 3994766483. The next prime is 3994766519. The reversal of 3994766497 is 7946674993.

3994766497 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., 3851940096 + 142826401 = 62064^2 + 11951^2 .

It is a cyclic number.

It is not a de Polignac number, because 3994766497 - 2¹⁹ = 3994242209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3994766417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997383248 + 1997383249.

It is an arithmetic number, because the mean of its divisors is an integer number (1997383249).

Almost surely, 2^3994766497 is an apocalyptic number.

It is an amenable number.

3994766497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994766497 is an equidigital number, since it uses as much as digits as its factorization.

3994766497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 64.

The square root of 3994766497 is about 63204.1651871141. The cubic root of 3994766497 is about 1586.7084441359.

The spelling of 3994766497 in words is "three billion, nine hundred ninety-four million, seven hundred sixty-six thousand, four hundred ninety-seven".