3946459019 has 2 divisors, whose sum is σ = 3946459020. Its totient is φ = 3946459018.

The previous prime is 3946459007. The next prime is 3946459037. The reversal of 3946459019 is 9109546493.

It is a weak prime.

It is an emirp because it is prime and its reverse (9109546493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3946459019 - 2¹⁶ = 3946393483 is a prime.

It is a super-2 number, since 2×3946459019² = 31149077577292884722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3946459079) 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, 1973229509 + 1973229510.

It is an arithmetic number, because the mean of its divisors is an integer number (1973229510).

Almost surely, 2^3946459019 is an apocalyptic number.

3946459019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946459019 is an equidigital number, since it uses as much as digits as its factorization.

3946459019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 3946459019 is about 62820.8486013998. The cubic root of 3946459019 is about 1580.2866300210.

The spelling of 3946459019 in words is "three billion, nine hundred forty-six million, four hundred fifty-nine thousand, nineteen".