43193307457 has 2 divisors, whose sum is σ = 43193307458. Its totient is φ = 43193307456.

The previous prime is 43193307383. The next prime is 43193307473. The reversal of 43193307457 is 75470339134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34554720321 + 8638587136 = 185889^2 + 92944^2 .

It is a cyclic number.

It is not a de Polignac number, because 43193307457 - 2¹⁵ = 43193274689 is a prime.

It is not a weakly prime, because it can be changed into another prime (43193301457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21596653728 + 21596653729.

It is an arithmetic number, because the mean of its divisors is an integer number (21596653729).

Almost surely, 2^43193307457 is an apocalyptic number.

It is an amenable number.

43193307457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43193307457 is an equidigital number, since it uses as much as digits as its factorization.

43193307457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 43193307457 in words is "forty-three billion, one hundred ninety-three million, three hundred seven thousand, four hundred fifty-seven".