3846491946485 has 32 divisors (see below), whose sum is σ = 4711602948192. Its totient is φ = 3013538411520.

The previous prime is 3846491946481. The next prime is 3846491946497. The reversal of 3846491946485 is 5846491946483.

It can be written as a sum of positive squares in 16 ways, for example, as 716504689156 + 3129987257329 = 846466^2 + 1769177^2 .

It is not a de Polignac number, because 3846491946485 - 2² = 3846491946481 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3846491946481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496894715 + ... + 496902455.

It is an arithmetic number, because the mean of its divisors is an integer number (147237592131).

Almost surely, 2^{3846491946485} is an apocalyptic number.

It is an amenable number.

3846491946485 is a deficient number, since it is larger than the sum of its proper divisors (865111001707).

3846491946485 is a wasteful number, since it uses less digits than its factorization.

3846491946485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033.

The product of its digits is 716636160, while the sum is 71.

The spelling of 3846491946485 in words is "three trillion, eight hundred forty-six billion, four hundred ninety-one million, nine hundred forty-six thousand, four hundred eighty-five".