3658702849 has 2 divisors, whose sum is σ = 3658702850. Its totient is φ = 3658702848.

The previous prime is 3658702811. The next prime is 3658702913. The reversal of 3658702849 is 9482078563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3632231824 + 26471025 = 60268^2 + 5145^2 .

It is an emirp because it is prime and its reverse (9482078563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3658702849 - 2¹³ = 3658694657 is a prime.

It is a super-2 number, since 2×3658702849² = 26772213074561433602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3658702796 and 3658702805.

It is not a weakly prime, because it can be changed into another prime (3658702049) 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, 1829351424 + 1829351425.

It is an arithmetic number, because the mean of its divisors is an integer number (1829351425).

Almost surely, 2^3658702849 is an apocalyptic number.

It is an amenable number.

3658702849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3658702849 is an equidigital number, since it uses as much as digits as its factorization.

3658702849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 3658702849 is about 60487.2122766457. The cubic root of 3658702849 is about 1540.9044623685.

The spelling of 3658702849 in words is "three billion, six hundred fifty-eight million, seven hundred two thousand, eight hundred forty-nine".