47135421713 has 4 divisors (see below), whose sum is σ = 47135948400. Its totient is φ = 47134895028.

The previous prime is 47135421679. The next prime is 47135421733. The reversal of 47135421713 is 31712453174.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47135421713 - 2¹⁸ = 47135159569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47135421733) 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, 91895 + ... + 320492.

It is an arithmetic number, because the mean of its divisors is an integer number (11783987100).

Almost surely, 2^47135421713 is an apocalyptic number.

It is an amenable number.

47135421713 is a deficient number, since it is larger than the sum of its proper divisors (526687).

47135421713 is a wasteful number, since it uses less digits than its factorization.

47135421713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526686.

The product of its digits is 70560, while the sum is 38.

Adding to 47135421713 its reverse (31712453174), we get a palindrome (78847874887).

The spelling of 47135421713 in words is "forty-seven billion, one hundred thirty-five million, four hundred twenty-one thousand, seven hundred thirteen".