3786045485993 has 4 divisors (see below), whose sum is σ = 3794258166468. Its totient is φ = 3777832805520.

The previous prime is 3786045485953. The next prime is 3786045486053. The reversal of 3786045485993 is 3995845406873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2453583897664 + 1332461588329 = 1566392^2 + 1154323^2 .

It is a cyclic number.

It is not a de Polignac number, because 3786045485993 - 2²⁸ = 3785777050537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3786045485903) 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, 4106339546 + ... + 4106340467.

It is an arithmetic number, because the mean of its divisors is an integer number (948564541617).

Almost surely, 2^{3786045485993} is an apocalyptic number.

It is an amenable number.

3786045485993 is a deficient number, since it is larger than the sum of its proper divisors (8212680475).

3786045485993 is an equidigital number, since it uses as much as digits as its factorization.

3786045485993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212680474.

The product of its (nonzero) digits is 783820800, while the sum is 71.

The spelling of 3786045485993 in words is "three trillion, seven hundred eighty-six billion, forty-five million, four hundred eighty-five thousand, nine hundred ninety-three".