3685280563 has 2 divisors, whose sum is σ = 3685280564. Its totient is φ = 3685280562.

The previous prime is 3685280503. The next prime is 3685280567. The reversal of 3685280563 is 3650825863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3685280563 is a prime.

It is not a weakly prime, because it can be changed into another prime (3685280567) 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, 1842640281 + 1842640282.

It is an arithmetic number, because the mean of its divisors is an integer number (1842640282).

Almost surely, 2^3685280563 is an apocalyptic number.

3685280563 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685280563 is an equidigital number, since it uses as much as digits as its factorization.

3685280563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 3685280563 is about 60706.5117017936. The cubic root of 3685280563 is about 1544.6266331410.

The spelling of 3685280563 in words is "three billion, six hundred eighty-five million, two hundred eighty thousand, five hundred sixty-three".