75609523649 has 8 divisors (see below), whose sum is σ = 82684791840. Its totient is φ = 68567868000.

The previous prime is 75609523589. The next prime is 75609523667. The reversal of 75609523649 is 94632590657.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75609523649 - 2²⁴ = 75592746433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75609523594 and 75609523603.

It is not an unprimeable number, because it can be changed into a prime (75609523049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8398427 + ... + 8407424.

It is an arithmetic number, because the mean of its divisors is an integer number (10335598980).

Almost surely, 2^75609523649 is an apocalyptic number.

It is an amenable number.

75609523649 is a deficient number, since it is larger than the sum of its proper divisors (7075268191).

75609523649 is a wasteful number, since it uses less digits than its factorization.

75609523649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16806271.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 75609523649 in words is "seventy-five billion, six hundred nine million, five hundred twenty-three thousand, six hundred forty-nine".