47033638667 has 4 divisors (see below), whose sum is σ = 47035178256. Its totient is φ = 47032099080.

The previous prime is 47033638643. The next prime is 47033638721. The reversal of 47033638667 is 76683633074.

It is a happy number.

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 47033638667 - 2⁸ = 47033638411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47033638627) 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, 723023 + ... + 785384.

It is an arithmetic number, because the mean of its divisors is an integer number (11758794564).

Almost surely, 2^47033638667 is an apocalyptic number.

47033638667 is a deficient number, since it is larger than the sum of its proper divisors (1539589).

47033638667 is a wasteful number, since it uses less digits than its factorization.

47033638667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539588.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 47033638667 in words is "forty-seven billion, thirty-three million, six hundred thirty-eight thousand, six hundred sixty-seven".