3949685119 has 2 divisors, whose sum is σ = 3949685120. Its totient is φ = 3949685118.

The previous prime is 3949685101. The next prime is 3949685137. The reversal of 3949685119 is 9115869493.

It is a balanced prime because it is at equal distance from previous prime (3949685101) and next prime (3949685137).

It is an emirp because it is prime and its reverse (9115869493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3949685119 - 2²³ = 3941296511 is a prime.

It is a super-2 number, since 2×3949685119² = 31200025078500088322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3949685119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3949686119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974842559 + 1974842560.

It is an arithmetic number, because the mean of its divisors is an integer number (1974842560).

Almost surely, 2^3949685119 is an apocalyptic number.

3949685119 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949685119 is an equidigital number, since it uses as much as digits as its factorization.

3949685119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 55.

The square root of 3949685119 is about 62846.5203412249. The cubic root of 3949685119 is about 1580.7171234591.

The spelling of 3949685119 in words is "three billion, nine hundred forty-nine million, six hundred eighty-five thousand, one hundred nineteen".