3685259873 has 2 divisors, whose sum is σ = 3685259874. Its totient is φ = 3685259872.

The previous prime is 3685259863. The next prime is 3685259993. The reversal of 3685259873 is 3789525863.

3685259873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3639467584 + 45792289 = 60328^2 + 6767^2 .

It is an emirp because it is prime and its reverse (3789525863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3685259873 - 2¹⁰ = 3685258849 is a prime.

It is a super-2 number, since 2×3685259873² = 27162280663087952258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3685259863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842629936 + 1842629937.

It is an arithmetic number, because the mean of its divisors is an integer number (1842629937).

Almost surely, 2^3685259873 is an apocalyptic number.

It is an amenable number.

3685259873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685259873 is an equidigital number, since it uses as much as digits as its factorization.

3685259873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 56.

The square root of 3685259873 is about 60706.3412914994. The cubic root of 3685259873 is about 1544.6237425076.

The spelling of 3685259873 in words is "three billion, six hundred eighty-five million, two hundred fifty-nine thousand, eight hundred seventy-three".