43240588597 has 2 divisors, whose sum is σ = 43240588598. Its totient is φ = 43240588596.

The previous prime is 43240588571. The next prime is 43240588613. The reversal of 43240588597 is 79588504234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42617886481 + 622702116 = 206441^2 + 24954^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240588597 - 2¹¹ = 43240586549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240588537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620294298 + 21620294299.

It is an arithmetic number, because the mean of its divisors is an integer number (21620294299).

Almost surely, 2^43240588597 is an apocalyptic number.

It is an amenable number.

43240588597 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240588597 is an equidigital number, since it uses as much as digits as its factorization.

43240588597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 43240588597 in words is "forty-three billion, two hundred forty million, five hundred eighty-eight thousand, five hundred ninety-seven".