75936509689 has 4 divisors (see below), whose sum is σ = 75937712256. Its totient is φ = 75935307124.

The previous prime is 75936509683. The next prime is 75936509707. The reversal of 75936509689 is 98690563957.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98690563957 = 59 ⋅1672721423.

It is a cyclic number.

It is not a de Polignac number, because 75936509689 - 2¹⁹ = 75935985401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75936509683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500989 + ... + 634714.

It is an arithmetic number, because the mean of its divisors is an integer number (18984428064).

Almost surely, 2^75936509689 is an apocalyptic number.

It is an amenable number.

75936509689 is a deficient number, since it is larger than the sum of its proper divisors (1202567).

75936509689 is a wasteful number, since it uses less digits than its factorization.

75936509689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202566.

The product of its (nonzero) digits is 110224800, while the sum is 67.

The spelling of 75936509689 in words is "seventy-five billion, nine hundred thirty-six million, five hundred nine thousand, six hundred eighty-nine".