3988342349 has 2 divisors, whose sum is σ = 3988342350. Its totient is φ = 3988342348.

The previous prime is 3988342343. The next prime is 3988342381. The reversal of 3988342349 is 9432438893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2976466249 + 1011876100 = 54557^2 + 31810^2 .

It is an emirp because it is prime and its reverse (9432438893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3988342349 - 2⁴ = 3988342333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3988342349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3988342343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994171174 + 1994171175.

It is an arithmetic number, because the mean of its divisors is an integer number (1994171175).

Almost surely, 2^3988342349 is an apocalyptic number.

It is an amenable number.

3988342349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988342349 is an equidigital number, since it uses as much as digits as its factorization.

3988342349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 53.

The square root of 3988342349 is about 63153.3241326219. The cubic root of 3988342349 is about 1585.8574374639.

The spelling of 3988342349 in words is "three billion, nine hundred eighty-eight million, three hundred forty-two thousand, three hundred forty-nine".