43097352569 has 2 divisors, whose sum is σ = 43097352570. Its totient is φ = 43097352568.

The previous prime is 43097352563. The next prime is 43097352629. The reversal of 43097352569 is 96525379034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31527553600 + 11569798969 = 177560^2 + 107563^2 .

It is a cyclic number.

It is not a de Polignac number, because 43097352569 - 2¹⁶ = 43097287033 is a prime.

It is a super-2 number, since 2×43097352569² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43097352569.

It is not a weakly prime, because it can be changed into another prime (43097352563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21548676284 + 21548676285.

It is an arithmetic number, because the mean of its divisors is an integer number (21548676285).

Almost surely, 2^43097352569 is an apocalyptic number.

It is an amenable number.

43097352569 is a deficient number, since it is larger than the sum of its proper divisors (1).

43097352569 is an equidigital number, since it uses as much as digits as its factorization.

43097352569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 43097352569 in words is "forty-three billion, ninety-seven million, three hundred fifty-two thousand, five hundred sixty-nine".