3868549379 has 2 divisors, whose sum is σ = 3868549380. Its totient is φ = 3868549378.

The previous prime is 3868549357. The next prime is 3868549403. The reversal of 3868549379 is 9739458683.

It is a weak prime.

It is an emirp because it is prime and its reverse (9739458683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3868549379 - 2²⁰ = 3867500803 is a prime.

It is a super-2 number, since 2×3868549379² = 29931348595522571282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3868549339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934274689 + 1934274690.

It is an arithmetic number, because the mean of its divisors is an integer number (1934274690).

Almost surely, 2^3868549379 is an apocalyptic number.

3868549379 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868549379 is an equidigital number, since it uses as much as digits as its factorization.

3868549379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 62.

The square root of 3868549379 is about 62197.6637744538. The cubic root of 3868549379 is about 1569.8182784249.

The spelling of 3868549379 in words is "three billion, eight hundred sixty-eight million, five hundred forty-nine thousand, three hundred seventy-nine".