47147340811 has 4 divisors (see below), whose sum is σ = 47315125224. Its totient is φ = 46979556400.

The previous prime is 47147340803. The next prime is 47147340827. The reversal of 47147340811 is 11804374174.

47147340811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47147340811 - 2³ = 47147340803 is a prime.

It is a super-2 number, since 2×47147340811² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47147340871) 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, 83891785 + ... + 83892346.

It is an arithmetic number, because the mean of its divisors is an integer number (11828781306).

Almost surely, 2^47147340811 is an apocalyptic number.

47147340811 is a deficient number, since it is larger than the sum of its proper divisors (167784413).

47147340811 is a wasteful number, since it uses less digits than its factorization.

47147340811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167784412.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 47147340811 in words is "forty-seven billion, one hundred forty-seven million, three hundred forty thousand, eight hundred eleven".