47575144517 has 4 divisors (see below), whose sum is σ = 47575602240. Its totient is φ = 47574686796.

The previous prime is 47575144493. The next prime is 47575144531. The reversal of 47575144517 is 71544157574.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47575144517 - 2⁸ = 47575144261 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 (47575144417) 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, 10484 + ... + 308642.

It is an arithmetic number, because the mean of its divisors is an integer number (11893900560).

Almost surely, 2^47575144517 is an apocalyptic number.

It is an amenable number.

47575144517 is a deficient number, since it is larger than the sum of its proper divisors (457723).

47575144517 is a wasteful number, since it uses less digits than its factorization.

47575144517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457722.

The product of its digits is 2744000, while the sum is 50.

The spelling of 47575144517 in words is "forty-seven billion, five hundred seventy-five million, one hundred forty-four thousand, five hundred seventeen".