3992140819 has 2 divisors, whose sum is σ = 3992140820. Its totient is φ = 3992140818.

The previous prime is 3992140811. The next prime is 3992140879. The reversal of 3992140819 is 9180412993.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3992140819 - 2³ = 3992140811 is a prime.

It is a super-2 number, since 2×3992140819² = 31874376637451981522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3992140811) 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, 1996070409 + 1996070410.

It is an arithmetic number, because the mean of its divisors is an integer number (1996070410).

Almost surely, 2^3992140819 is an apocalyptic number.

3992140819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992140819 is an equidigital number, since it uses as much as digits as its factorization.

3992140819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 3992140819 is about 63183.3903727871. The cubic root of 3992140819 is about 1586.3607309823.

The spelling of 3992140819 in words is "three billion, nine hundred ninety-two million, one hundred forty thousand, eight hundred nineteen".