3868934249 has 2 divisors, whose sum is σ = 3868934250. Its totient is φ = 3868934248.

The previous prime is 3868934197. The next prime is 3868934269. The reversal of 3868934249 is 9424398683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3868840000 + 94249 = 62200^2 + 307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868934249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3868934194 and 3868934203.

It is not a weakly prime, because it can be changed into another prime (3868934269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934467124 + 1934467125.

It is an arithmetic number, because the mean of its divisors is an integer number (1934467125).

Almost surely, 2^3868934249 is an apocalyptic number.

It is an amenable number.

3868934249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868934249 is an equidigital number, since it uses as much as digits as its factorization.

3868934249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 56.

The square root of 3868934249 is about 62200.7576240033. The cubic root of 3868934249 is about 1569.8703354853.

The spelling of 3868934249 in words is "three billion, eight hundred sixty-eight million, nine hundred thirty-four thousand, two hundred forty-nine".