3489716749 has 2 divisors, whose sum is σ = 3489716750. Its totient is φ = 3489716748.

The previous prime is 3489716723. The next prime is 3489716777. The reversal of 3489716749 is 9476179843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3395975625 + 93741124 = 58275^2 + 9682^2 .

It is a cyclic number.

It is not a de Polignac number, because 3489716749 - 2²³ = 3481328141 is a prime.

It is a super-2 number, since 2×3489716749² = 24356245976502258002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3489716693 and 3489716702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3489716249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744858374 + 1744858375.

It is an arithmetic number, because the mean of its divisors is an integer number (1744858375).

Almost surely, 2^3489716749 is an apocalyptic number.

It is an amenable number.

3489716749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3489716749 is an equidigital number, since it uses as much as digits as its factorization.

3489716749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The square root of 3489716749 is about 59073.8245672311. The cubic root of 3489716749 is about 1516.8060746039.

The spelling of 3489716749 in words is "three billion, four hundred eighty-nine million, seven hundred sixteen thousand, seven hundred forty-nine".