75423829209 has 4 divisors (see below), whose sum is σ = 100565105616. Its totient is φ = 50282552804.

The previous prime is 75423829193. The next prime is 75423829249. The reversal of 75423829209 is 90292832457.

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.

It is a cyclic number.

It is not a de Polignac number, because 75423829209 - 2⁴ = 75423829193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75423829249) 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 in 3 ways as a sum of consecutive naturals, for example, 12570638199 + ... + 12570638204.

It is an arithmetic number, because the mean of its divisors is an integer number (25141276404).

Almost surely, 2^75423829209 is an apocalyptic number.

It is an amenable number.

75423829209 is a deficient number, since it is larger than the sum of its proper divisors (25141276407).

75423829209 is a wasteful number, since it uses less digits than its factorization.

75423829209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141276406.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 75423829209 in words is "seventy-five billion, four hundred twenty-three million, eight hundred twenty-nine thousand, two hundred nine".