47722013571 has 4 divisors (see below), whose sum is σ = 63629351432. Its totient is φ = 31814675712.

The previous prime is 47722013557. The next prime is 47722013593. The reversal of 47722013571 is 17531022774.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47722013571 - 2¹⁷ = 47721882499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47722013501) 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, 7953668926 + ... + 7953668931.

It is an arithmetic number, because the mean of its divisors is an integer number (15907337858).

Almost surely, 2^47722013571 is an apocalyptic number.

47722013571 is a deficient number, since it is larger than the sum of its proper divisors (15907337861).

47722013571 is a wasteful number, since it uses less digits than its factorization.

47722013571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15907337860.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 47722013571 in words is "forty-seven billion, seven hundred twenty-two million, thirteen thousand, five hundred seventy-one".