47304605747521 has 2 divisors, whose sum is σ = 47304605747522. Its totient is φ = 47304605747520.

The previous prime is 47304605747519. The next prime is 47304605747533. The reversal of 47304605747521 is 12574750640374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46264279186225 + 1040326561296 = 6801785^2 + 1019964^2 .

It is a cyclic number.

It is not a de Polignac number, because 47304605747521 - 2¹ = 47304605747519 is a prime.

Together with 47304605747519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47304605717521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652302873760 + 23652302873761.

It is an arithmetic number, because the mean of its divisors is an integer number (23652302873761).

Almost surely, 2^{47304605747521} is an apocalyptic number.

It is an amenable number.

47304605747521 is a deficient number, since it is larger than the sum of its proper divisors (1).

47304605747521 is an equidigital number, since it uses as much as digits as its factorization.

47304605747521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 47304605747521 in words is "forty-seven trillion, three hundred four billion, six hundred five million, seven hundred forty-seven thousand, five hundred twenty-one".