3845212113717 has 96 divisors (see below), whose sum is σ = 6416039427840. Its totient is φ = 2262379109760.

The previous prime is 3845212113703. The next prime is 3845212113731. The reversal of 3845212113717 is 7173112125483.

3845212113717 is a `hidden beast` number, since 3 + 8 + 4 + 521 + 2 + 113 + 7 + 1 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (3845212113703) and next prime (3845212113731).

It is not a de Polignac number, because 3845212113717 - 2¹¹ = 3845212111669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845212103717) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 664913608 + ... + 664919390.

It is an arithmetic number, because the mean of its divisors is an integer number (66833744040).

Almost surely, 2^{3845212113717} is an apocalyptic number.

It is an amenable number.

3845212113717 is a deficient number, since it is larger than the sum of its proper divisors (2570827314123).

3845212113717 is a wasteful number, since it uses less digits than its factorization.

3845212113717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432 (or 9403 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 3845212113717 in words is "three trillion, eight hundred forty-five billion, two hundred twelve million, one hundred thirteen thousand, seven hundred seventeen".