43195054519 has 2 divisors, whose sum is σ = 43195054520. Its totient is φ = 43195054518.

The previous prime is 43195054477. The next prime is 43195054523. The reversal of 43195054519 is 91545059134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43195054519 - 2⁷ = 43195054391 is a prime.

It is a super-2 number, since 2×43195054519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43193054519) 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, 21597527259 + 21597527260.

It is an arithmetic number, because the mean of its divisors is an integer number (21597527260).

Almost surely, 2^43195054519 is an apocalyptic number.

43195054519 is a deficient number, since it is larger than the sum of its proper divisors (1).

43195054519 is an equidigital number, since it uses as much as digits as its factorization.

43195054519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 43195054519 in words is "forty-three billion, one hundred ninety-five million, fifty-four thousand, five hundred nineteen".