2389364378 has 4 divisors (see below), whose sum is σ = 3584046570. Its totient is φ = 1194682188.

The previous prime is 2389364377. The next prime is 2389364443. The reversal of 2389364378 is 8734639832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1373221249 + 1016143129 = 37057^2 + 31877^2 .

It is not an unprimeable number, because it can be changed into a prime (2389364371) 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, 597341093 + ... + 597341096.

Almost surely, 2^2389364378 is an apocalyptic number.

2389364378 is a deficient number, since it is larger than the sum of its proper divisors (1194682192).

2389364378 is a wasteful number, since it uses less digits than its factorization.

2389364378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194682191.

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

The square root of 2389364378 is about 48881.1249665963. The cubic root of 2389364378 is about 1336.8852393346.

The spelling of 2389364378 in words is "two billion, three hundred eighty-nine million, three hundred sixty-four thousand, three hundred seventy-eight".