47303504721 has 24 divisors (see below), whose sum is σ = 75945257856. Its totient is φ = 28127867040.

The previous prime is 47303504719. The next prime is 47303504741. The reversal of 47303504721 is 12740530374.

It is not a de Polignac number, because 47303504721 - 2¹ = 47303504719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47303504711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4502425 + ... + 4512918.

It is an arithmetic number, because the mean of its divisors is an integer number (3164385744).

Almost surely, 2^47303504721 is an apocalyptic number.

It is an amenable number.

47303504721 is a deficient number, since it is larger than the sum of its proper divisors (28641753135).

47303504721 is a wasteful number, since it uses less digits than its factorization.

47303504721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015413 (or 9015410 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 47303504721 in words is "forty-seven billion, three hundred three million, five hundred four thousand, seven hundred twenty-one".