3868844263 has 2 divisors, whose sum is σ = 3868844264. Its totient is φ = 3868844262.

The previous prime is 3868844219. The next prime is 3868844269. The reversal of 3868844263 is 3624488683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868844263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3868844263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868844269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934422131 + 1934422132.

It is an arithmetic number, because the mean of its divisors is an integer number (1934422132).

Almost surely, 2^3868844263 is an apocalyptic number.

3868844263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868844263 is an equidigital number, since it uses as much as digits as its factorization.

3868844263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5308416, while the sum is 52.

The square root of 3868844263 is about 62200.0342684793. The cubic root of 3868844263 is about 1569.8581643948.

The spelling of 3868844263 in words is "three billion, eight hundred sixty-eight million, eight hundred forty-four thousand, two hundred sixty-three".