3955173668 has 6 divisors (see below), whose sum is σ = 6921553926. Its totient is φ = 1977586832.

The previous prime is 3955173667. The next prime is 3955173731. The reversal of 3955173668 is 8663715593.

It can be written as a sum of positive squares in only one way, i.e., 2261192704 + 1693980964 = 47552^2 + 41158^2 .

It is not an unprimeable number, because it can be changed into a prime (3955173667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494396705 + ... + 494396712.

It is an arithmetic number, because the mean of its divisors is an integer number (1153592321).

Almost surely, 2^3955173668 is an apocalyptic number.

It is an amenable number.

3955173668 is a deficient number, since it is larger than the sum of its proper divisors (2966380258).

3955173668 is a wasteful number, since it uses less digits than its factorization.

3955173668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988793421 (or 988793419 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The square root of 3955173668 is about 62890.1714737685. The cubic root of 3955173668 is about 1581.4489816137.

The spelling of 3955173668 in words is "three billion, nine hundred fifty-five million, one hundred seventy-three thousand, six hundred sixty-eight".