3861823802013 has 12 divisors (see below), whose sum is σ = 5632347121440. Its totient is φ = 2549553577416.

The previous prime is 3861823802009. The next prime is 3861823802047. The reversal of 3861823802013 is 3102083281683.

3861823802013 is a `hidden beast` number, since 3 + 8 + 61 + 8 + 2 + 380 + 201 + 3 = 666.

It is not a de Polignac number, because 3861823802013 - 2² = 3861823802009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3861823802013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861823802003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2082967683 + ... + 2082969536.

It is an arithmetic number, because the mean of its divisors is an integer number (469362260120).

Almost surely, 2^{3861823802013} is an apocalyptic number.

It is an amenable number.

3861823802013 is a deficient number, since it is larger than the sum of its proper divisors (1770523319427).

3861823802013 is a wasteful number, since it uses less digits than its factorization.

3861823802013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165937328 (or 4165937325 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 3861823802013 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, eight hundred two thousand, thirteen".