3681852497 has 2 divisors, whose sum is σ = 3681852498. Its totient is φ = 3681852496.

The previous prime is 3681852463. The next prime is 3681852539. The reversal of 3681852497 is 7942581863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3508903696 + 172948801 = 59236^2 + 13151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3681852497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3681852437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840926248 + 1840926249.

It is an arithmetic number, because the mean of its divisors is an integer number (1840926249).

Almost surely, 2^3681852497 is an apocalyptic number.

It is an amenable number.

3681852497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681852497 is an equidigital number, since it uses as much as digits as its factorization.

3681852497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 3681852497 is about 60678.2703856990. The cubic root of 3681852497 is about 1544.1475448111.

The spelling of 3681852497 in words is "three billion, six hundred eighty-one million, eight hundred fifty-two thousand, four hundred ninety-seven".