47671617673 has 4 divisors (see below), whose sum is σ = 47672996368. Its totient is φ = 47670238980.

The previous prime is 47671617649. The next prime is 47671617701. The reversal of 47671617673 is 37671617674.

It is a happy number.

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-47671617673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47671614673) 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, 636111 + ... + 707092.

It is an arithmetic number, because the mean of its divisors is an integer number (11918249092).

Almost surely, 2^47671617673 is an apocalyptic number.

It is an amenable number.

47671617673 is a deficient number, since it is larger than the sum of its proper divisors (1378695).

47671617673 is a wasteful number, since it uses less digits than its factorization.

47671617673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378694.

The product of its digits is 6223392, while the sum is 55.

Subtracting from 47671617673 its reverse (37671617674), we obtain a palindrome (9999999999).

The spelling of 47671617673 in words is "forty-seven billion, six hundred seventy-one million, six hundred seventeen thousand, six hundred seventy-three".