43240414297 has 2 divisors, whose sum is σ = 43240414298. Its totient is φ = 43240414296.

The previous prime is 43240414271. The next prime is 43240414319. The reversal of 43240414297 is 79241404234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40759975881 + 2480438416 = 201891^2 + 49804^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240414297 - 2¹⁹ = 43239890009 is a prime.

It is not a weakly prime, because it can be changed into another prime (43240414237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620207148 + 21620207149.

It is an arithmetic number, because the mean of its divisors is an integer number (21620207149).

Almost surely, 2^43240414297 is an apocalyptic number.

It is an amenable number.

43240414297 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240414297 is an equidigital number, since it uses as much as digits as its factorization.

43240414297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 43240414297 in words is "forty-three billion, two hundred forty million, four hundred fourteen thousand, two hundred ninety-seven".