47211773751 has 16 divisors (see below), whose sum is σ = 70585055200. Its totient is φ = 31185756864.

The previous prime is 47211773717. The next prime is 47211773773. The reversal of 47211773751 is 15737711274.

47211773751 is a `hidden beast` number, since 472 + 1 + 177 + 3 + 7 + 5 + 1 = 666.

It is not a de Polignac number, because 47211773751 - 2²⁹ = 46674902839 is a prime.

It is a super-2 number, since 2×47211773751² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47211773697 and 47211773706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47211773701) 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 15 ways as a sum of consecutive naturals, for example, 8018086 + ... + 8023971.

It is an arithmetic number, because the mean of its divisors is an integer number (4411565950).

Almost surely, 2^47211773751 is an apocalyptic number.

47211773751 is a deficient number, since it is larger than the sum of its proper divisors (23373281449).

47211773751 is a wasteful number, since it uses less digits than its factorization.

47211773751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16042175 (or 16042169 counting only the distinct ones).

The product of its digits is 288120, while the sum is 45.

The spelling of 47211773751 in words is "forty-seven billion, two hundred eleven million, seven hundred seventy-three thousand, seven hundred fifty-one".