75383982469 has 4 divisors (see below), whose sum is σ = 75384619596. Its totient is φ = 75383345344.

The previous prime is 75383982463. The next prime is 75383982481. The reversal of 75383982469 is 96428938357.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96428938357 = 13033 ⋅7398829.

It can be written as a sum of positive squares in 2 ways, for example, as 45651877569 + 29732104900 = 213663^2 + 172430^2 .

It is a cyclic number.

It is not a de Polignac number, because 75383982469 - 2³ = 75383982461 is a prime.

It is a super-2 number, since 2×75383982469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75383982469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75383982461) 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, 83044 + ... + 397069.

It is an arithmetic number, because the mean of its divisors is an integer number (18846154899).

Almost surely, 2^75383982469 is an apocalyptic number.

It is an amenable number.

75383982469 is a deficient number, since it is larger than the sum of its proper divisors (637127).

75383982469 is a wasteful number, since it uses less digits than its factorization.

75383982469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637126.

The product of its digits is 78382080, while the sum is 64.

The spelling of 75383982469 in words is "seventy-five billion, three hundred eighty-three million, nine hundred eighty-two thousand, four hundred sixty-nine".