2378640263 has 2 divisors, whose sum is σ = 2378640264. Its totient is φ = 2378640262.

The previous prime is 2378640227. The next prime is 2378640293. The reversal of 2378640263 is 3620468732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2378640263 - 2⁸ = 2378640007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2378640263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2378640293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189320131 + 1189320132.

It is an arithmetic number, because the mean of its divisors is an integer number (1189320132).

Almost surely, 2^2378640263 is an apocalyptic number.

2378640263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378640263 is an equidigital number, since it uses as much as digits as its factorization.

2378640263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 2378640263 is about 48771.3057340072. The cubic root of 2378640263 is about 1334.8821384069.

The spelling of 2378640263 in words is "two billion, three hundred seventy-eight million, six hundred forty thousand, two hundred sixty-three".