47995050906721 has 8 divisors (see below), whose sum is σ = 48657653973000. Its totient is φ = 47332586668032.

The previous prime is 47995050906713. The next prime is 47995050906787. The reversal of 47995050906721 is 12760905059974.

It can be written as a sum of positive squares in 4 ways, for example, as 9732908697121 + 38262142209600 = 3119761^2 + 6185640^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47995050906721 - 2³ = 47995050906713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47995050906791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34010596 + ... + 35393653.

It is an arithmetic number, because the mean of its divisors is an integer number (6082206746625).

Almost surely, 2^{47995050906721} is an apocalyptic number.

It is an amenable number.

47995050906721 is a deficient number, since it is larger than the sum of its proper divisors (662603066279).

47995050906721 is an equidigital number, since it uses as much as digits as its factorization.

47995050906721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69413795.

The product of its (nonzero) digits is 42865200, while the sum is 64.

The spelling of 47995050906721 in words is "forty-seven trillion, nine hundred ninety-five billion, fifty million, nine hundred six thousand, seven hundred twenty-one".