2378887249 has 4 divisors (see below), whose sum is σ = 2378986660. Its totient is φ = 2378787840.

The previous prime is 2378887241. The next prime is 2378887253. The reversal of 2378887249 is 9427888732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 899100225 + 1479787024 = 29985^2 + 38468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378887249 - 2³ = 2378887241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2378887193 and 2378887202.

It is not an unprimeable number, because it can be changed into a prime (2378887241) 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, 10489 + ... + 69769.

It is an arithmetic number, because the mean of its divisors is an integer number (594746665).

Almost surely, 2^2378887249 is an apocalyptic number.

It is an amenable number.

2378887249 is a deficient number, since it is larger than the sum of its proper divisors (99411).

2378887249 is an equidigital number, since it uses as much as digits as its factorization.

2378887249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99410.

The product of its digits is 10838016, while the sum is 58.

The square root of 2378887249 is about 48773.8377514011. The cubic root of 2378887249 is about 1334.9283392826.

The spelling of 2378887249 in words is "two billion, three hundred seventy-eight million, eight hundred eighty-seven thousand, two hundred forty-nine".