75405152789 has 2 divisors, whose sum is σ = 75405152790. Its totient is φ = 75405152788.

The previous prime is 75405152777. The next prime is 75405152819. The reversal of 75405152789 is 98725150457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45564317764 + 29840835025 = 213458^2 + 172745^2 .

It is a cyclic number.

It is not a de Polignac number, because 75405152789 - 2⁸ = 75405152533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75405152789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75405152089) 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, 37702576394 + 37702576395.

It is an arithmetic number, because the mean of its divisors is an integer number (37702576395).

Almost surely, 2^75405152789 is an apocalyptic number.

It is an amenable number.

75405152789 is a deficient number, since it is larger than the sum of its proper divisors (1).

75405152789 is an equidigital number, since it uses as much as digits as its factorization.

75405152789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 53.

The spelling of 75405152789 in words is "seventy-five billion, four hundred five million, one hundred fifty-two thousand, seven hundred eighty-nine".