3659369249 has 2 divisors, whose sum is σ = 3659369250. Its totient is φ = 3659369248.

The previous prime is 3659369243. The next prime is 3659369257. The reversal of 3659369249 is 9429639563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2265093649 + 1394275600 = 47593^2 + 37340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3659369249 - 2¹² = 3659365153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3659369194 and 3659369203.

It is not a weakly prime, because it can be changed into another prime (3659369243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829684624 + 1829684625.

It is an arithmetic number, because the mean of its divisors is an integer number (1829684625).

Almost surely, 2^3659369249 is an apocalyptic number.

It is an amenable number.

3659369249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3659369249 is an equidigital number, since it uses as much as digits as its factorization.

3659369249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 56.

The square root of 3659369249 is about 60492.7206281880. The cubic root of 3659369249 is about 1540.9980106776.

The spelling of 3659369249 in words is "three billion, six hundred fifty-nine million, three hundred sixty-nine thousand, two hundred forty-nine".