3901984349 has 2 divisors, whose sum is σ = 3901984350. Its totient is φ = 3901984348.

The previous prime is 3901984243. The next prime is 3901984397. The reversal of 3901984349 is 9434891093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3899128249 + 2856100 = 62443^2 + 1690^2 .

It is an emirp because it is prime and its reverse (9434891093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3901984349 - 2²⁴ = 3885207133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3901984297 and 3901984306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3901980349) 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, 1950992174 + 1950992175.

It is an arithmetic number, because the mean of its divisors is an integer number (1950992175).

Almost surely, 2^3901984349 is an apocalyptic number.

It is an amenable number.

3901984349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901984349 is an equidigital number, since it uses as much as digits as its factorization.

3901984349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 3901984349 is about 62465.8654706713. The cubic root of 3901984349 is about 1574.3278359994.

The spelling of 3901984349 in words is "three billion, nine hundred one million, nine hundred eighty-four thousand, three hundred forty-nine".