47919628271 has 4 divisors (see below), whose sum is σ = 50738429952. Its totient is φ = 45100826592.

The previous prime is 47919628247. The next prime is 47919628301. The reversal of 47919628271 is 17282691974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17282691974 = 2 ⋅8641345987.

It is a cyclic number.

It is not a de Polignac number, because 47919628271 - 2¹⁸ = 47919366127 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 (47919628201) 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, 1409400815 + ... + 1409400848.

It is an arithmetic number, because the mean of its divisors is an integer number (12684607488).

Almost surely, 2^47919628271 is an apocalyptic number.

47919628271 is a deficient number, since it is larger than the sum of its proper divisors (2818801681).

47919628271 is a wasteful number, since it uses less digits than its factorization.

47919628271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818801680.

The product of its digits is 3048192, while the sum is 56.

The spelling of 47919628271 in words is "forty-seven billion, nine hundred nineteen million, six hundred twenty-eight thousand, two hundred seventy-one".