75283543969 has 2 divisors, whose sum is σ = 75283543970. Its totient is φ = 75283543968.

The previous prime is 75283543967. The next prime is 75283543981. The reversal of 75283543969 is 96934538257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66609415744 + 8674128225 = 258088^2 + 93135^2 .

It is a cyclic number.

It is not a de Polignac number, because 75283543969 - 2¹ = 75283543967 is a prime.

It is a super-2 number, since 2×75283543969² (a number of 23 digits) contains 22 as substring.

Together with 75283543967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (75283543963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37641771984 + 37641771985.

It is an arithmetic number, because the mean of its divisors is an integer number (37641771985).

Almost surely, 2^75283543969 is an apocalyptic number.

It is an amenable number.

75283543969 is a deficient number, since it is larger than the sum of its proper divisors (1).

75283543969 is an equidigital number, since it uses as much as digits as its factorization.

75283543969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 75283543969 in words is "seventy-five billion, two hundred eighty-three million, five hundred forty-three thousand, nine hundred sixty-nine".