3918068941 has 4 divisors (see below), whose sum is σ = 3920499612. Its totient is φ = 3915638272.

The previous prime is 3918068939. The next prime is 3918068953. The reversal of 3918068941 is 1498608193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3360636841 + 557432100 = 57971^2 + 23610^2 .

It is a cyclic number.

It is not a de Polignac number, because 3918068941 - 2¹ = 3918068939 is a prime.

It is a super-2 number, since 2×3918068941² = 30702528452857722962, which 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 (3918068741) 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, 1212916 + ... + 1216141.

It is an arithmetic number, because the mean of its divisors is an integer number (980124903).

Almost surely, 2^3918068941 is an apocalyptic number.

It is an amenable number.

3918068941 is a deficient number, since it is larger than the sum of its proper divisors (2430671).

3918068941 is a wasteful number, since it uses less digits than its factorization.

3918068941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430670.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 3918068941 is about 62594.4801160614. The cubic root of 3918068941 is about 1576.4880792488.

The spelling of 3918068941 in words is "three billion, nine hundred eighteen million, sixty-eight thousand, nine hundred forty-one".