3668438941 has 2 divisors, whose sum is σ = 3668438942. Its totient is φ = 3668438940.

The previous prime is 3668438911. The next prime is 3668438947. The reversal of 3668438941 is 1498348663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2266236025 + 1402202916 = 47605^2 + 37446^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668438941 - 2¹⁷ = 3668307869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3668438947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834219470 + 1834219471.

It is an arithmetic number, because the mean of its divisors is an integer number (1834219471).

Almost surely, 2^3668438941 is an apocalyptic number.

It is an amenable number.

3668438941 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668438941 is an equidigital number, since it uses as much as digits as its factorization.

3668438941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 52.

The square root of 3668438941 is about 60567.6393877126. The cubic root of 3668438941 is about 1542.2700738397.

It can be divided in two parts, 36684 and 38941, that added together give a square (75625 = 275²).

The spelling of 3668438941 in words is "three billion, six hundred sixty-eight million, four hundred thirty-eight thousand, nine hundred forty-one".