75253372209 has 6 divisors (see below), whose sum is σ = 108699315426. Its totient is φ = 50168914800.

The previous prime is 75253372199. The next prime is 75253372241. The reversal of 75253372209 is 90227335257.

75253372209 is a `hidden beast` number, since 7 + 5 + 253 + 372 + 20 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56846480625 + 18406891584 = 238425^2 + 135672^2 .

It is not a de Polignac number, because 75253372209 - 2⁵ = 75253372177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75253379209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4180742892 + ... + 4180742909.

It is an arithmetic number, because the mean of its divisors is an integer number (18116552571).

Almost surely, 2^75253372209 is an apocalyptic number.

It is an amenable number.

75253372209 is a deficient number, since it is larger than the sum of its proper divisors (33445943217).

75253372209 is a wasteful number, since it uses less digits than its factorization.

75253372209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361485807 (or 8361485804 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 75253372209 in words is "seventy-five billion, two hundred fifty-three million, three hundred seventy-two thousand, two hundred nine".