3876361858361 has 8 divisors (see below), whose sum is σ = 3914662494600. Its totient is φ = 3838110998400.

The previous prime is 3876361858337. The next prime is 3876361858367. The reversal of 3876361858361 is 1638581636783.

It can be written as a sum of positive squares in 4 ways, for example, as 1072997652736 + 2803364205625 = 1035856^2 + 1674325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3876361858361 - 2¹⁴ = 3876361841977 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3876361858367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12287540 + ... + 12599061.

It is an arithmetic number, because the mean of its divisors is an integer number (489332811825).

Almost surely, 2^{3876361858361} is an apocalyptic number.

It is an amenable number.

3876361858361 is a deficient number, since it is larger than the sum of its proper divisors (38300636239).

3876361858361 is a wasteful number, since it uses less digits than its factorization.

3876361858361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24888139.

The product of its digits is 104509440, while the sum is 65.

The spelling of 3876361858361 in words is "three trillion, eight hundred seventy-six billion, three hundred sixty-one million, eight hundred fifty-eight thousand, three hundred sixty-one".