75008994069 has 4 divisors (see below), whose sum is σ = 100011992096. Its totient is φ = 50005996044.

The previous prime is 75008994061. The next prime is 75008994079. The reversal of 75008994069 is 96049980057.

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 not a de Polignac number, because 75008994069 - 2³ = 75008994061 is a prime.

It is a super-2 number, since 2×75008994069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75008994061) 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, 12501499009 + ... + 12501499014.

It is an arithmetic number, because the mean of its divisors is an integer number (25002998024).

Almost surely, 2^75008994069 is an apocalyptic number.

It is an amenable number.

75008994069 is a deficient number, since it is larger than the sum of its proper divisors (25002998027).

75008994069 is a wasteful number, since it uses less digits than its factorization.

75008994069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002998026.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 75008994069 in words is "seventy-five billion, eight million, nine hundred ninety-four thousand, sixty-nine".