3688479049 has 2 divisors, whose sum is σ = 3688479050. Its totient is φ = 3688479048.

The previous prime is 3688479017. The next prime is 3688479059. The reversal of 3688479049 is 9409748863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3677209600 + 11269449 = 60640^2 + 3357^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688479049 - 2⁵ = 3688479017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3688478984 and 3688479002.

It is not a weakly prime, because it can be changed into another prime (3688479059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844239524 + 1844239525.

It is an arithmetic number, because the mean of its divisors is an integer number (1844239525).

Almost surely, 2^3688479049 is an apocalyptic number.

It is an amenable number.

3688479049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688479049 is an equidigital number, since it uses as much as digits as its factorization.

3688479049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The square root of 3688479049 is about 60732.8498343359. The cubic root of 3688479049 is about 1545.0733687400.

The spelling of 3688479049 in words is "three billion, six hundred eighty-eight million, four hundred seventy-nine thousand, forty-nine".