47018514252173 has 4 divisors (see below), whose sum is σ = 48018908172480. Its totient is φ = 46018120331868.

The previous prime is 47018514252167. The next prime is 47018514252209. The reversal of 47018514252173 is 37125241581074.

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-47018514252173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47018514252103) 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, 500196960083 + ... + 500196960176.

It is an arithmetic number, because the mean of its divisors is an integer number (12004727043120).

Almost surely, 2^{47018514252173} is an apocalyptic number.

It is an amenable number.

47018514252173 is a deficient number, since it is larger than the sum of its proper divisors (1000393920307).

47018514252173 is a wasteful number, since it uses less digits than its factorization.

47018514252173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000393920306.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 47018514252173 in words is "forty-seven trillion, eighteen billion, five hundred fourteen million, two hundred fifty-two thousand, one hundred seventy-three".