75475184349 has 4 divisors (see below), whose sum is σ = 100633579136. Its totient is φ = 50316789564.

The previous prime is 75475184341. The next prime is 75475184381. The reversal of 75475184349 is 94348157457.

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 75475184349 - 2³ = 75475184341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75475184341) 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, 12579197389 + ... + 12579197394.

It is an arithmetic number, because the mean of its divisors is an integer number (25158394784).

Almost surely, 2^75475184349 is an apocalyptic number.

It is an amenable number.

75475184349 is a deficient number, since it is larger than the sum of its proper divisors (25158394787).

75475184349 is a wasteful number, since it uses less digits than its factorization.

75475184349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25158394786.

The product of its digits is 16934400, while the sum is 57.

The spelling of 75475184349 in words is "seventy-five billion, four hundred seventy-five million, one hundred eighty-four thousand, three hundred forty-nine".