3946540919 has 2 divisors, whose sum is σ = 3946540920. Its totient is φ = 3946540918.

The previous prime is 3946540909. The next prime is 3946540921. The reversal of 3946540919 is 9190456493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3946540919 - 2¹⁶ = 3946475383 is a prime.

It is a super-2 number, since 2×3946540919² = 31150370450682729122, which contains 22 as substring.

Together with 3946540921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946540909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973270459 + 1973270460.

It is an arithmetic number, because the mean of its divisors is an integer number (1973270460).

Almost surely, 2^3946540919 is an apocalyptic number.

3946540919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946540919 is an equidigital number, since it uses as much as digits as its factorization.

3946540919 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 3946540919 is about 62821.5004516766. The cubic root of 3946540919 is about 1580.2975617262.

The spelling of 3946540919 in words is "three billion, nine hundred forty-six million, five hundred forty thousand, nine hundred nineteen".