75495859493 has 2 divisors, whose sum is σ = 75495859494. Its totient is φ = 75495859492.

The previous prime is 75495859451. The next prime is 75495859511. The reversal of 75495859493 is 39495859457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42009421444 + 33486438049 = 204962^2 + 182993^2 .

It is a cyclic number.

It is not a de Polignac number, because 75495859493 - 2²⁰ = 75494810917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75495859403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37747929746 + 37747929747.

It is an arithmetic number, because the mean of its divisors is an integer number (37747929747).

Almost surely, 2^75495859493 is an apocalyptic number.

It is an amenable number.

75495859493 is a deficient number, since it is larger than the sum of its proper divisors (1).

75495859493 is an equidigital number, since it uses as much as digits as its factorization.

75495859493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944000, while the sum is 68.

The spelling of 75495859493 in words is "seventy-five billion, four hundred ninety-five million, eight hundred fifty-nine thousand, four hundred ninety-three".