47816573533 has 4 divisors (see below), whose sum is σ = 47817630108. Its totient is φ = 47815516960.

The previous prime is 47816573509. The next prime is 47816573537. The reversal of 47816573533 is 33537561874.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25516228644 + 22300344889 = 159738^2 + 149333^2 .

It is a cyclic number.

It is not a de Polignac number, because 47816573533 - 2⁵ = 47816573501 is a prime.

It is a super-2 number, since 2×47816573533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47816573537) 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, 457216 + ... + 551977.

It is an arithmetic number, because the mean of its divisors is an integer number (11954407527).

Almost surely, 2^47816573533 is an apocalyptic number.

It is an amenable number.

47816573533 is a deficient number, since it is larger than the sum of its proper divisors (1056575).

47816573533 is a wasteful number, since it uses less digits than its factorization.

47816573533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056574.

The product of its digits is 6350400, while the sum is 52.

The spelling of 47816573533 in words is "forty-seven billion, eight hundred sixteen million, five hundred seventy-three thousand, five hundred thirty-three".