47541318729 has 4 divisors (see below), whose sum is σ = 63388424976. Its totient is φ = 31694212484.

The previous prime is 47541318691. The next prime is 47541318731. The reversal of 47541318729 is 92781314574.

47541318729 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, 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 47541318729 - 2²⁰ = 47540270153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47501318729) 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, 7923553119 + ... + 7923553124.

It is an arithmetic number, because the mean of its divisors is an integer number (15847106244).

Almost surely, 2^47541318729 is an apocalyptic number.

It is an amenable number.

47541318729 is a deficient number, since it is larger than the sum of its proper divisors (15847106247).

47541318729 is a wasteful number, since it uses less digits than its factorization.

47541318729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15847106246.

The product of its digits is 1693440, while the sum is 51.

The spelling of 47541318729 in words is "forty-seven billion, five hundred forty-one million, three hundred eighteen thousand, seven hundred twenty-nine".