3903663141361 has 9 divisors (see below), whose sum is σ = 4080814456089. Its totient is φ = 3733895190036.

The previous prime is 3903663141299. The next prime is 3903663141451. The reversal of 3903663141361 is 1631413663093.

The square root of 3903663141361 is 1975769.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3903663141361 - 2⁹ = 3903663140849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3903663144361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45399736 + ... + 45485638.

Almost surely, 2^{3903663141361} is an apocalyptic number.

3903663141361 is the 1975769-th square number.

3903663141361 is the 987885-th centered octagonal number.

It is an amenable number.

3903663141361 is a deficient number, since it is larger than the sum of its proper divisors (177151314728).

3903663141361 is an frugal number, since it uses more digits than its factorization.

3903663141361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171852 (or 85926 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 3903663141361 in words is "three trillion, nine hundred three billion, six hundred sixty-three million, one hundred forty-one thousand, three hundred sixty-one".