3894948127845 has 24 divisors (see below), whose sum is σ = 6969025469952. Its totient is φ = 2010295807200.

The previous prime is 3894948127787. The next prime is 3894948127859. The reversal of 3894948127845 is 5487218494983.

It is a happy number.

3894948127845 is a `hidden beast` number, since 3 + 8 + 9 + 49 + 481 + 27 + 84 + 5 = 666.

It is not a de Polignac number, because 3894948127845 - 2¹⁸ = 3894947865701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1396037361 + ... + 1396040150.

It is an arithmetic number, because the mean of its divisors is an integer number (290376061248).

Almost surely, 2^{3894948127845} is an apocalyptic number.

It is an amenable number.

3894948127845 is a deficient number, since it is larger than the sum of its proper divisors (3074077342107).

3894948127845 is a wasteful number, since it uses less digits than its factorization.

3894948127845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792077553 (or 2792077550 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 3894948127845 in words is "three trillion, eight hundred ninety-four billion, nine hundred forty-eight million, one hundred twenty-seven thousand, eight hundred forty-five".