3994923353 has 2 divisors, whose sum is σ = 3994923354. Its totient is φ = 3994923352.

The previous prime is 3994923319. The next prime is 3994923409. The reversal of 3994923353 is 3533294993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3970638169 + 24285184 = 63013^2 + 4928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3994923353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3994923853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997461676 + 1997461677.

It is an arithmetic number, because the mean of its divisors is an integer number (1997461677).

Almost surely, 2^3994923353 is an apocalyptic number.

It is an amenable number.

3994923353 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994923353 is an equidigital number, since it uses as much as digits as its factorization.

3994923353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 50.

The square root of 3994923353 is about 63205.4060425214. The cubic root of 3994923353 is about 1586.7292114309.

The spelling of 3994923353 in words is "three billion, nine hundred ninety-four million, nine hundred twenty-three thousand, three hundred fifty-three".