47491327297 has 4 divisors (see below), whose sum is σ = 47593022256. Its totient is φ = 47389632340.

The previous prime is 47491327249. The next prime is 47491327343. The reversal of 47491327297 is 79272319474.

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 a de Polignac number, because none of the positive numbers 2^k-47491327297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47491397297) 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, 50846779 + ... + 50847712.

It is an arithmetic number, because the mean of its divisors is an integer number (11898255564).

Almost surely, 2^47491327297 is an apocalyptic number.

It is an amenable number.

47491327297 is a deficient number, since it is larger than the sum of its proper divisors (101694959).

47491327297 is a wasteful number, since it uses less digits than its factorization.

47491327297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101694958.

The product of its digits is 5334336, while the sum is 55.

The spelling of 47491327297 in words is "forty-seven billion, four hundred ninety-one million, three hundred twenty-seven thousand, two hundred ninety-seven".