3818286378731 has 16 divisors (see below), whose sum is σ = 4207698106848. Its totient is φ = 3435940992000.

The previous prime is 3818286378539. The next prime is 3818286378743. The reversal of 3818286378731 is 1378736828183.

3818286378731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3818286378731 - 2²⁶ = 3818219269867 is a prime.

It is a super-3 number, since 3×3818286378731³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3818286378131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4030235 + ... + 4886651.

It is an arithmetic number, because the mean of its divisors is an integer number (262981131678).

Almost surely, 2^{3818286378731} is an apocalyptic number.

3818286378731 is a deficient number, since it is larger than the sum of its proper divisors (389411728117).

3818286378731 is a wasteful number, since it uses less digits than its factorization.

3818286378731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860542.

The product of its digits is 65028096, while the sum is 65.

The spelling of 3818286378731 in words is "three trillion, eight hundred eighteen billion, two hundred eighty-six million, three hundred seventy-eight thousand, seven hundred thirty-one".