3623706081 has 6 divisors (see below), whose sum is σ = 5234242130. Its totient is φ = 2415804048.

The previous prime is 3623706071. The next prime is 3623706083. The reversal of 3623706081 is 1806073263.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3592803600 + 30902481 = 59940^2 + 5559^2 .

It is not a de Polignac number, because 3623706081 - 2⁶ = 3623706017 is a prime.

It is a super-2 number, since 2×3623706081² = 26262491522952757122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3623706083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201316996 + ... + 201317013.

Almost surely, 2^3623706081 is an apocalyptic number.

It is an amenable number.

3623706081 is a deficient number, since it is larger than the sum of its proper divisors (1610536049).

3623706081 is a wasteful number, since it uses less digits than its factorization.

3623706081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402634015 (or 402634012 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3623706081 is about 60197.2265224902. The cubic root of 3623706081 is about 1535.9756173396.

The spelling of 3623706081 in words is "three billion, six hundred twenty-three million, seven hundred six thousand, eighty-one".