3680287486181 has 4 divisors (see below), whose sum is σ = 3685872141600. Its totient is φ = 3674702830764.

The previous prime is 3680287486171. The next prime is 3680287486193. The reversal of 3680287486181 is 1816847820863.

3680287486181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3680287486181 - 2¹⁰ = 3680287485157 is a prime.

It is a super-2 number, since 2×3680287486181² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680287486171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792326721 + ... + 2792328038.

It is an arithmetic number, because the mean of its divisors is an integer number (921468035400).

Almost surely, 2^{3680287486181} is an apocalyptic number.

It is an amenable number.

3680287486181 is a deficient number, since it is larger than the sum of its proper divisors (5584655419).

3680287486181 is an equidigital number, since it uses as much as digits as its factorization.

3680287486181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584655418.

The product of its (nonzero) digits is 24772608, while the sum is 62.

The spelling of 3680287486181 in words is "three trillion, six hundred eighty billion, two hundred eighty-seven million, four hundred eighty-six thousand, one hundred eighty-one".