47456918297 has 2 divisors, whose sum is σ = 47456918298. Its totient is φ = 47456918296.

The previous prime is 47456918227. The next prime is 47456918347. The reversal of 47456918297 is 79281965474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29879196736 + 17577721561 = 172856^2 + 132581^2 .

It is a cyclic number.

It is not a de Polignac number, because 47456918297 - 2¹² = 47456914201 is a prime.

It is not a weakly prime, because it can be changed into another prime (47456918227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23728459148 + 23728459149.

It is an arithmetic number, because the mean of its divisors is an integer number (23728459149).

Almost surely, 2^47456918297 is an apocalyptic number.

It is an amenable number.

47456918297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47456918297 is an equidigital number, since it uses as much as digits as its factorization.

47456918297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 62.

The spelling of 47456918297 in words is "forty-seven billion, four hundred fifty-six million, nine hundred eighteen thousand, two hundred ninety-seven".