47528509271 has 4 divisors (see below), whose sum is σ = 50324303952. Its totient is φ = 44732714592.

The previous prime is 47528509243. The next prime is 47528509279. The reversal of 47528509271 is 17290582574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17290582574 = 2 ⋅8645291287.

It is a cyclic number.

It is not a de Polignac number, because 47528509271 - 2³⁴ = 30348640087 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 (47528509279) 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, 1397897315 + ... + 1397897348.

It is an arithmetic number, because the mean of its divisors is an integer number (12581075988).

Almost surely, 2^47528509271 is an apocalyptic number.

47528509271 is a deficient number, since it is larger than the sum of its proper divisors (2795794681).

47528509271 is a wasteful number, since it uses less digits than its factorization.

47528509271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795794680.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 47528509271 in words is "forty-seven billion, five hundred twenty-eight million, five hundred nine thousand, two hundred seventy-one".