3994923319 has 2 divisors, whose sum is σ = 3994923320. Its totient is φ = 3994923318.

The previous prime is 3994923301. The next prime is 3994923353. The reversal of 3994923319 is 9133294993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3994923319 - 2¹⁵ = 3994890551 is a prime.

It is a super-2 number, since 2×3994923319² = 31918824649379951522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3994923419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997461659 + 1997461660.

It is an arithmetic number, because the mean of its divisors is an integer number (1997461660).

Almost surely, 2^3994923319 is an apocalyptic number.

3994923319 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994923319 is an equidigital number, since it uses as much as digits as its factorization.

3994923319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417176, while the sum is 52.

The square root of 3994923319 is about 63205.4057735571. The cubic root of 3994923319 is about 1586.7292069294.

The spelling of 3994923319 in words is "three billion, nine hundred ninety-four million, nine hundred twenty-three thousand, three hundred nineteen".