3813885583263 has 12 divisors (see below), whose sum is σ = 6295938105808. Its totient is φ = 2179363190400.

The previous prime is 3813885583181. The next prime is 3813885583271. The reversal of 3813885583263 is 3623855883183.

It is a happy number.

3813885583263 is a `hidden beast` number, since 3 + 8 + 13 + 8 + 8 + 558 + 3 + 2 + 63 = 666.

It is not a de Polignac number, because 3813885583263 - 2¹⁶ = 3813885517727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 60537866401 = 3813885583263 / (3 + 8 + 1 + 3 + 8 + 8 + 5 + 5 + 8 + 3 + 2 + 6 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3813885583263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813895583263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30268933138 + ... + 30268933263.

Almost surely, 2^{3813885583263} is an apocalyptic number.

3813885583263 is a deficient number, since it is larger than the sum of its proper divisors (2482052522545).

3813885583263 is a wasteful number, since it uses less digits than its factorization.

3813885583263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60537866414 (or 60537866411 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 3813885583263 in words is "three trillion, eight hundred thirteen billion, eight hundred eighty-five million, five hundred eighty-three thousand, two hundred sixty-three".