3849283117681 has 27 divisors (see below), whose sum is σ = 4199077485369. Its totient is φ = 3527994673800.

The previous prime is 3849283117663. The next prime is 3849283117699. The reversal of 3849283117681 is 1867113829483.

The square root of 3849283117681 is 1961959.

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

It is an interprime number because it is at equal distance from previous prime (3849283117663) and next prime (3849283117699).

It is not a de Polignac number, because 3849283117681 - 2²⁹ = 3848746246769 is a prime.

It is a super-2 number, since 2×3849283117681² (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 (3849283114681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1155592186 + ... + 1155595516.

It is an arithmetic number, because the mean of its divisors is an integer number (155521388347).

Almost surely, 2^{3849283117681} is an apocalyptic number.

3849283117681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3849283117681 is the 1961959-th square number.

3849283117681 is the 980980-th centered octagonal number.

It is an amenable number.

3849283117681 is a deficient number, since it is larger than the sum of its proper divisors (349794367688).

3849283117681 is an frugal number, since it uses more digits than its factorization.

3849283117681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 3381 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 61.

The spelling of 3849283117681 in words is "three trillion, eight hundred forty-nine billion, two hundred eighty-three million, one hundred seventeen thousand, six hundred eighty-one".