2378583608549 has 2 divisors, whose sum is σ = 2378583608550. Its totient is φ = 2378583608548.

The previous prime is 2378583608503. The next prime is 2378583608551. The reversal of 2378583608549 is 9458063858732.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2373469928449 + 5113680100 = 1540607^2 + 71510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378583608549 - 2⁸ = 2378583608293 is a prime.

Together with 2378583608551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2378583638549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189291804274 + 1189291804275.

It is an arithmetic number, because the mean of its divisors is an integer number (1189291804275).

Almost surely, 2^{2378583608549} is an apocalyptic number.

It is an amenable number.

2378583608549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378583608549 is an equidigital number, since it uses as much as digits as its factorization.

2378583608549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 348364800, while the sum is 68.

The spelling of 2378583608549 in words is "two trillion, three hundred seventy-eight billion, five hundred eighty-three million, six hundred eight thousand, five hundred forty-nine".