3908368558081 has 16 divisors (see below), whose sum is σ = 4355059968000. Its totient is φ = 3482593063488.

The previous prime is 3908368558067. The next prime is 3908368558091. The reversal of 3908368558081 is 1808558638093.

It is a cyclic number.

It is not a de Polignac number, because 3908368558081 - 2⁵ = 3908368558049 is a prime.

It is a super-2 number, since 2×3908368558081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3908368558091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729100 + ... + 2889346.

It is an arithmetic number, because the mean of its divisors is an integer number (272191248000).

Almost surely, 2^{3908368558081} is an apocalyptic number.

It is an amenable number.

3908368558081 is a deficient number, since it is larger than the sum of its proper divisors (446691409919).

3908368558081 is a wasteful number, since it uses less digits than its factorization.

3908368558081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165088.

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 3908368558081 in words is "three trillion, nine hundred eight billion, three hundred sixty-eight million, five hundred fifty-eight thousand, eighty-one".