2443231450397 has 2 divisors, whose sum is σ = 2443231450398. Its totient is φ = 2443231450396.

The previous prime is 2443231450351. The next prime is 2443231450403. The reversal of 2443231450397 is 7930541323442.

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., 2194089712516 + 249141737881 = 1481246^2 + 499141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443231450397 - 2⁶ = 2443231450333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443231450307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221615725198 + 1221615725199.

It is an arithmetic number, because the mean of its divisors is an integer number (1221615725199).

Almost surely, 2^{2443231450397} is an apocalyptic number.

It is an amenable number.

2443231450397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443231450397 is an equidigital number, since it uses as much as digits as its factorization.

2443231450397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 2443231450397 in words is "two trillion, four hundred forty-three billion, two hundred thirty-one million, four hundred fifty thousand, three hundred ninety-seven".