47811446563 has 4 divisors (see below), whose sum is σ = 48977579448. Its totient is φ = 46645313680.

The previous prime is 47811446521. The next prime is 47811446593. The reversal of 47811446563 is 36564411874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47811446563 - 2²¹ = 47809349411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47811446513) 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, 583066381 + ... + 583066462.

It is an arithmetic number, because the mean of its divisors is an integer number (12244394862).

Almost surely, 2^47811446563 is an apocalyptic number.

47811446563 is a deficient number, since it is larger than the sum of its proper divisors (1166132885).

47811446563 is a wasteful number, since it uses less digits than its factorization.

47811446563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166132884.

The product of its digits is 1935360, while the sum is 49.

The spelling of 47811446563 in words is "forty-seven billion, eight hundred eleven million, four hundred forty-six thousand, five hundred sixty-three".