2865821141 has 8 divisors (see below), whose sum is σ = 2925915264. Its totient is φ = 2805950160.

The previous prime is 2865821111. The next prime is 2865821171. The reversal of 2865821141 is 1411285682.

It is an interprime number because it is at equal distance from previous prime (2865821111) and next prime (2865821171).

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 2865821141 - 2²² = 2861626837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2865821095 and 2865821104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865821111) 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, 29705 + ... + 81326.

It is an arithmetic number, because the mean of its divisors is an integer number (365739408).

Almost surely, 2^2865821141 is an apocalyptic number.

It is an amenable number.

2865821141 is a deficient number, since it is larger than the sum of its proper divisors (60094123).

2865821141 is a wasteful number, since it uses less digits than its factorization.

2865821141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111571.

The product of its digits is 30720, while the sum is 38.

The square root of 2865821141 is about 53533.3647457359. The cubic root of 2865821141 is about 1420.4186329344.

The spelling of 2865821141 in words is "two billion, eight hundred sixty-five million, eight hundred twenty-one thousand, one hundred forty-one".