2368578401281 has 2 divisors, whose sum is σ = 2368578401282. Its totient is φ = 2368578401280.

The previous prime is 2368578401257. The next prime is 2368578401291. The reversal of 2368578401281 is 1821048758632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103106143681 + 265472257600 = 1450209^2 + 515240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2368578401281 - 2⁷ = 2368578401153 is a prime.

It is a super-2 number, since 2×2368578401281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2368578401221) 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, 1184289200640 + 1184289200641.

It is an arithmetic number, because the mean of its divisors is an integer number (1184289200641).

Almost surely, 2^{2368578401281} is an apocalyptic number.

It is an amenable number.

2368578401281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2368578401281 is an equidigital number, since it uses as much as digits as its factorization.

2368578401281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 2368578401281 in words is "two trillion, three hundred sixty-eight billion, five hundred seventy-eight million, four hundred one thousand, two hundred eighty-one".