3503812843816 has 16 divisors (see below), whose sum is σ = 6573156664500. Its totient is φ = 1750971066624.

The previous prime is 3503812843759. The next prime is 3503812843819. The reversal of 3503812843816 is 6183482183053.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3503088695716 + 724148100 = 1871654^2 + 26910^2 .

It is not an unprimeable number, because it can be changed into a prime (3503812843819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116903491 + ... + 116933458.

Almost surely, 2^{3503812843816} is an apocalyptic number.

It is an amenable number.

3503812843816 is a deficient number, since it is larger than the sum of its proper divisors (3069343820684).

3503812843816 is a wasteful number, since it uses less digits than its factorization.

3503812843816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233838828 (or 233838824 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 3503812843816 in words is "three trillion, five hundred three billion, eight hundred twelve million, eight hundred forty-three thousand, eight hundred sixteen".