3818496994247 has 16 divisors (see below), whose sum is σ = 4410333416160. Its totient is φ = 3276247658112.

The previous prime is 3818496994243. The next prime is 3818496994259. The reversal of 3818496994247 is 7424996948183.

It is not a de Polignac number, because 3818496994247 - 2² = 3818496994243 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 (3818496994243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145831268 + ... + 145857449.

It is an arithmetic number, because the mean of its divisors is an integer number (275645838510).

Almost surely, 2^{3818496994247} is an apocalyptic number.

3818496994247 is a deficient number, since it is larger than the sum of its proper divisors (591836421913).

3818496994247 is a wasteful number, since it uses less digits than its factorization.

3818496994247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291688802.

The product of its digits is 752467968, while the sum is 74.

The spelling of 3818496994247 in words is "three trillion, eight hundred eighteen billion, four hundred ninety-six million, nine hundred ninety-four thousand, two hundred forty-seven".