3898843753401 has 27 divisors (see below), whose sum is σ = 5664841384111. Its totient is φ = 2584005396144.

The previous prime is 3898843753391. The next prime is 3898843753457. The reversal of 3898843753401 is 1043573488983.

The square root of 3898843753401 is 1974549.

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

3898843753401 is a `hidden beast` number, since 3 + 8 + 98 + 8 + 4 + 3 + 7 + 534 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3111854762025 + 786988991376 = 1764045^2 + 887124^2 .

It is not a de Polignac number, because 3898843753401 - 2¹⁵ = 3898843720633 is a prime.

It is a super-2 number, since 2×3898843753401² (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 (3898843754401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1060330975 + ... + 1060334651.

Almost surely, 2^{3898843753401} is an apocalyptic number.

3898843753401 is the 1974549-th square number.

3898843753401 is the 987275-th centered octagonal number.

It is an amenable number.

3898843753401 is a deficient number, since it is larger than the sum of its proper divisors (1765997630710).

3898843753401 is an frugal number, since it uses more digits than its factorization.

3898843753401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 3898843753401 in words is "three trillion, eight hundred ninety-eight billion, eight hundred forty-three million, seven hundred fifty-three thousand, four hundred one".