245343252591329 has 2 divisors, whose sum is σ = 245343252591330. Its totient is φ = 245343252591328.

The previous prime is 245343252591233. The next prime is 245343252591383. The reversal of 245343252591329 is 923195252343542.

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., 230561903590225 + 14781349001104 = 15184265^2 + 3844652^2 .

It is a cyclic number.

It is not a de Polignac number, because 245343252591329 - 2³⁶ = 245274533114593 is a prime.

It is not a weakly prime, because it can be changed into another prime (245343252591029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671626295664 + 122671626295665.

It is an arithmetic number, because the mean of its divisors is an integer number (122671626295665).

Almost surely, 2^{245343252591329} is an apocalyptic number.

It is an amenable number.

245343252591329 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343252591329 is an equidigital number, since it uses as much as digits as its factorization.

245343252591329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984000, while the sum is 59.

The spelling of 245343252591329 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred fifty-two million, five hundred ninety-one thousand, three hundred twenty-nine".