3813263138805 has 32 divisors (see below), whose sum is σ = 6170920588800. Its totient is φ = 2010515645952.

The previous prime is 3813263138761. The next prime is 3813263138813. The reversal of 3813263138805 is 5088313623183.

It is not a de Polignac number, because 3813263138805 - 2¹⁰ = 3813263137781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6995716 + ... + 7521074.

It is an arithmetic number, because the mean of its divisors is an integer number (192841268400).

Almost surely, 2^{3813263138805} is an apocalyptic number.

It is an amenable number.

3813263138805 is a deficient number, since it is larger than the sum of its proper divisors (2357657449995).

3813263138805 is a wasteful number, since it uses less digits than its factorization.

3813263138805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530893.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 3813263138805 in words is "three trillion, eight hundred thirteen billion, two hundred sixty-three million, one hundred thirty-eight thousand, eight hundred five".