3813538886 has 4 divisors (see below), whose sum is σ = 5720308332. Its totient is φ = 1906769442.

The previous prime is 3813538877. The next prime is 3813538901. The reversal of 3813538886 is 6888353183.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953384720 + ... + 953384723.

It is an arithmetic number, because the mean of its divisors is an integer number (1430077083).

Almost surely, 2^3813538886 is an apocalyptic number.

3813538886 is a deficient number, since it is larger than the sum of its proper divisors (1906769446).

3813538886 is a wasteful number, since it uses less digits than its factorization.

3813538886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906769445.

The product of its digits is 3317760, while the sum is 53.

The square root of 3813538886 is about 61753.8572560451. The cubic root of 3813538886 is about 1562.3418265570.

The spelling of 3813538886 in words is "three billion, eight hundred thirteen million, five hundred thirty-eight thousand, eight hundred eighty-six".