3949686119 has 2 divisors, whose sum is σ = 3949686120. Its totient is φ = 3949686118.

The previous prime is 3949686019. The next prime is 3949686121. The reversal of 3949686119 is 9116869493.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3949686119 is a prime.

It is a super-2 number, since 2×3949686119² = 31200040877242564322, which contains 22 as substring.

Together with 3949686121, 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 (3949686019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974843059 + 1974843060.

It is an arithmetic number, because the mean of its divisors is an integer number (1974843060).

Almost surely, 2^3949686119 is an apocalyptic number.

3949686119 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949686119 is an equidigital number, since it uses as much as digits as its factorization.

3949686119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 56.

The square root of 3949686119 is about 62846.5282971144. The cubic root of 3949686119 is about 1580.7172568636.

The spelling of 3949686119 in words is "three billion, nine hundred forty-nine million, six hundred eighty-six thousand, one hundred nineteen".