47211242758431 has 8 divisors (see below), whose sum is σ = 62948413286784. Its totient is φ = 31474117034520.

The previous prime is 47211242758403. The next prime is 47211242758441. The reversal of 47211242758431 is 13485724211274.

47211242758431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47211242758431 - 2¹⁸ = 47211242496287 is a prime.

It is a super-4 number, since 4×47211242758431⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47211242758441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8660085 + ... + 13016126.

It is an arithmetic number, because the mean of its divisors is an integer number (7868551660848).

Almost surely, 2^{47211242758431} is an apocalyptic number.

47211242758431 is a deficient number, since it is larger than the sum of its proper divisors (15737170528353).

47211242758431 is a wasteful number, since it uses less digits than its factorization.

47211242758431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22402221.

The product of its digits is 3010560, while the sum is 51.

The spelling of 47211242758431 in words is "forty-seven trillion, two hundred eleven billion, two hundred forty-two million, seven hundred fifty-eight thousand, four hundred thirty-one".