2378348209 has 2 divisors, whose sum is σ = 2378348210. Its totient is φ = 2378348208.

The previous prime is 2378348183. The next prime is 2378348257. The reversal of 2378348209 is 9028438732.

2378348209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898519184 + 479829025 = 43572^2 + 21905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378348209 - 2⁷ = 2378348081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2378348279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189174104 + 1189174105.

It is an arithmetic number, because the mean of its divisors is an integer number (1189174105).

Almost surely, 2^2378348209 is an apocalyptic number.

It is an amenable number.

2378348209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378348209 is an equidigital number, since it uses as much as digits as its factorization.

2378348209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2378348209 is about 48768.3115250057. The cubic root of 2378348209 is about 1334.8275030436.

The spelling of 2378348209 in words is "two billion, three hundred seventy-eight million, three hundred forty-eight thousand, two hundred nine".