3945155119 has 2 divisors, whose sum is σ = 3945155120. Its totient is φ = 3945155118.

The previous prime is 3945155111. The next prime is 3945155141. The reversal of 3945155119 is 9115515493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3945155119 - 2³ = 3945155111 is a prime.

It is a super-2 number, since 2×3945155119² = 31128497825943808322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3945155111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972577559 + 1972577560.

It is an arithmetic number, because the mean of its divisors is an integer number (1972577560).

Almost surely, 2^3945155119 is an apocalyptic number.

3945155119 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945155119 is an equidigital number, since it uses as much as digits as its factorization.

3945155119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 43.

The square root of 3945155119 is about 62810.4698199273. The cubic root of 3945155119 is about 1580.1125699585.

The spelling of 3945155119 in words is "three billion, nine hundred forty-five million, one hundred fifty-five thousand, one hundred nineteen".