3881085563413 has 4 divisors (see below), whose sum is σ = 4109384714220. Its totient is φ = 3652786412608.

The previous prime is 3881085563387. The next prime is 3881085563419. The reversal of 3881085563413 is 3143655801883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3626042383089 + 255043180324 = 1904217^2 + 505018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3881085563413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881085563419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114149575378 + ... + 114149575411.

It is an arithmetic number, because the mean of its divisors is an integer number (1027346178555).

Almost surely, 2^{3881085563413} is an apocalyptic number.

It is an amenable number.

3881085563413 is a deficient number, since it is larger than the sum of its proper divisors (228299150807).

3881085563413 is a wasteful number, since it uses less digits than its factorization.

3881085563413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228299150806.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 3881085563413 in words is "three trillion, eight hundred eighty-one billion, eighty-five million, five hundred sixty-three thousand, four hundred thirteen".