2378032749 has 48 divisors (see below), whose sum is σ = 3631904640. Its totient is φ = 1554577920.

The previous prime is 2378032747. The next prime is 2378032753. The reversal of 2378032749 is 9472308732.

2378032749 is a `hidden beast` number, since 2 + 378 + 0 + 3 + 274 + 9 = 666.

It is not a de Polignac number, because 2378032749 - 2¹ = 2378032747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378032747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5814057 + ... + 5814465.

It is an arithmetic number, because the mean of its divisors is an integer number (75664680).

Almost surely, 2^2378032749 is an apocalyptic number.

It is an amenable number.

2378032749 is a deficient number, since it is larger than the sum of its proper divisors (1253871891).

2378032749 is an equidigital number, since it uses as much as digits as its factorization.

2378032749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2378032749 is about 48765.0771454327. The cubic root of 2378032749 is about 1334.7684840290.

The spelling of 2378032749 in words is "two billion, three hundred seventy-eight million, thirty-two thousand, seven hundred forty-nine".