3938805763 has 2 divisors, whose sum is σ = 3938805764. Its totient is φ = 3938805762.

The previous prime is 3938805757. The next prime is 3938805809. The reversal of 3938805763 is 3675088393.

It is a weak prime.

It is an emirp because it is prime and its reverse (3675088393) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3938805763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3938805763.

It is not a weakly prime, because it can be changed into another prime (3938805713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969402881 + 1969402882.

It is an arithmetic number, because the mean of its divisors is an integer number (1969402882).

Almost surely, 2^3938805763 is an apocalyptic number.

3938805763 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938805763 is an equidigital number, since it uses as much as digits as its factorization.

3938805763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 3938805763 is about 62759.9056962325. The cubic root of 3938805763 is about 1579.2644339563.

The spelling of 3938805763 in words is "three billion, nine hundred thirty-eight million, eight hundred five thousand, seven hundred sixty-three".