3656825243 has 2 divisors, whose sum is σ = 3656825244. Its totient is φ = 3656825242.

The previous prime is 3656825203. The next prime is 3656825279. The reversal of 3656825243 is 3425286563.

It is a strong prime.

It is an emirp because it is prime and its reverse (3425286563) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3656825243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3656825194 and 3656825203.

It is not a weakly prime, because it can be changed into another prime (3656825203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1828412621 + 1828412622.

It is an arithmetic number, because the mean of its divisors is an integer number (1828412622).

Almost surely, 2^3656825243 is an apocalyptic number.

3656825243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3656825243 is an equidigital number, since it uses as much as digits as its factorization.

3656825243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 44.

The square root of 3656825243 is about 60471.6895993489. The cubic root of 3656825243 is about 1540.6408255327.

The spelling of 3656825243 in words is "three billion, six hundred fifty-six million, eight hundred twenty-five thousand, two hundred forty-three".