2378363849 has 2 divisors, whose sum is σ = 2378363850. Its totient is φ = 2378363848.

The previous prime is 2378363837. The next prime is 2378363873. The reversal of 2378363849 is 9483638732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1714374025 + 663989824 = 41405^2 + 25768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378363849 - 2¹⁶ = 2378298313 is a prime.

It is a super-2 number, since 2×2378363849² = 11313229196460189602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2378363849.

It is not a weakly prime, because it can be changed into another prime (2378363549) 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, 1189181924 + 1189181925.

It is an arithmetic number, because the mean of its divisors is an integer number (1189181925).

Almost surely, 2^2378363849 is an apocalyptic number.

It is an amenable number.

2378363849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378363849 is an equidigital number, since it uses as much as digits as its factorization.

2378363849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The square root of 2378363849 is about 48768.4718747676. The cubic root of 2378363849 is about 1334.8304289757.

The spelling of 2378363849 in words is "two billion, three hundred seventy-eight million, three hundred sixty-three thousand, eight hundred forty-nine".