3711718645 has 8 divisors (see below), whose sum is σ = 4471394904. Its totient is φ = 2957819904.

The previous prime is 3711718627. The next prime is 3711718649. The reversal of 3711718645 is 5468171173.

It can be written as a sum of positive squares in 4 ways, for example, as 1866758436 + 1844960209 = 43206^2 + 42953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3711718645 - 2²⁷ = 3577500917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3711718649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442964 + ... + 1445533.

It is an arithmetic number, because the mean of its divisors is an integer number (558924363).

Almost surely, 2^3711718645 is an apocalyptic number.

It is an amenable number.

3711718645 is a deficient number, since it is larger than the sum of its proper divisors (759676259).

3711718645 is a wasteful number, since it uses less digits than its factorization.

3711718645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888759.

The product of its digits is 141120, while the sum is 43.

The square root of 3711718645 is about 60923.8758205681. The cubic root of 3711718645 is about 1548.3115356328.

The spelling of 3711718645 in words is "three billion, seven hundred eleven million, seven hundred eighteen thousand, six hundred forty-five".