2375981685 has 96 divisors (see below), whose sum is σ = 5154859008. Its totient is φ = 983525760.

The previous prime is 2375981683. The next prime is 2375981689. The reversal of 2375981685 is 5861895732.

2375981685 is a `hidden beast` number, since 2 + 37 + 598 + 16 + 8 + 5 = 666.

It is not a de Polignac number, because 2375981685 - 2¹ = 2375981683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2375981683) 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, 979384 + ... + 981806.

It is an arithmetic number, because the mean of its divisors is an integer number (53696448).

Almost surely, 2^2375981685 is an apocalyptic number.

It is an amenable number.

2375981685 is an abundant number, since it is smaller than the sum of its proper divisors (2778877323).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2375981685 is a wasteful number, since it uses less digits than its factorization.

2375981685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2732 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 2375981685 is about 48744.0425590656. The cubic root of 2375981685 is about 1334.3846256968.

The spelling of 2375981685 in words is "two billion, three hundred seventy-five million, nine hundred eighty-one thousand, six hundred eighty-five".