47701728013 has 4 divisors (see below), whose sum is σ = 47705760928. Its totient is φ = 47697695100.

The previous prime is 47701728007. The next prime is 47701728029. The reversal of 47701728013 is 31082710774.

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 a cyclic number.

It is not a de Polignac number, because 47701728013 - 2⁹ = 47701727501 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 (47701528013) 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, 1998663 + ... + 2022388.

It is an arithmetic number, because the mean of its divisors is an integer number (11926440232).

Almost surely, 2^47701728013 is an apocalyptic number.

It is an amenable number.

47701728013 is a deficient number, since it is larger than the sum of its proper divisors (4032915).

47701728013 is a wasteful number, since it uses less digits than its factorization.

47701728013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032914.

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 47701728013 in words is "forty-seven billion, seven hundred one million, seven hundred twenty-eight thousand, thirteen".