2353398378239 has 2 divisors, whose sum is σ = 2353398378240. Its totient is φ = 2353398378238.

The previous prime is 2353398378209. The next prime is 2353398378281. The reversal of 2353398378239 is 9328738933532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2353398378239 - 2⁸ = 2353398377983 is a prime.

It is a super-2 number, since 2×2353398378239² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2353398378209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176699189119 + 1176699189120.

It is an arithmetic number, because the mean of its divisors is an integer number (1176699189120).

Almost surely, 2^{2353398378239} is an apocalyptic number.

2353398378239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2353398378239 is an equidigital number, since it uses as much as digits as its factorization.

2353398378239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 65.

The spelling of 2353398378239 in words is "two trillion, three hundred fifty-three billion, three hundred ninety-eight million, three hundred seventy-eight thousand, two hundred thirty-nine".