39779943103 has 2 divisors, whose sum is σ = 39779943104. Its totient is φ = 39779943102.

The previous prime is 39779943029. The next prime is 39779943113. The reversal of 39779943103 is 30134997793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39779943103 - 2¹³ = 39779934911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39779943113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19889971551 + 19889971552.

It is an arithmetic number, because the mean of its divisors is an integer number (19889971552).

Almost surely, 2^39779943103 is an apocalyptic number.

39779943103 is a deficient number, since it is larger than the sum of its proper divisors (1).

39779943103 is an equidigital number, since it uses as much as digits as its factorization.

39779943103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 55.

The spelling of 39779943103 in words is "thirty-nine billion, seven hundred seventy-nine million, nine hundred forty-three thousand, one hundred three".