47009217613 has 4 divisors (see below), whose sum is σ = 47465617888. Its totient is φ = 46552817340.

The previous prime is 47009217611. The next prime is 47009217623. The reversal of 47009217613 is 31671290074.

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 not a de Polignac number, because 47009217613 - 2¹ = 47009217611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47009217611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228199983 + ... + 228200188.

It is an arithmetic number, because the mean of its divisors is an integer number (11866404472).

Almost surely, 2^47009217613 is an apocalyptic number.

It is an amenable number.

47009217613 is a deficient number, since it is larger than the sum of its proper divisors (456400275).

47009217613 is a wasteful number, since it uses less digits than its factorization.

47009217613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456400274.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 47009217613 in words is "forty-seven billion, nine million, two hundred seventeen thousand, six hundred thirteen".