47216204664245 has 4 divisors (see below), whose sum is σ = 56659445597100. Its totient is φ = 37772963731392.

The previous prime is 47216204664241. The next prime is 47216204664281. The reversal of 47216204664245 is 54246640261274.

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 24976095716881 + 22240108947364 = 4997609^2 + 4715942^2 .

It is a cyclic number.

It is not a de Polignac number, because 47216204664245 - 2² = 47216204664241 is a prime.

It is a super-3 number, since 3×47216204664245³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47216204664241) 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, 4721620466420 + ... + 4721620466429.

It is an arithmetic number, because the mean of its divisors is an integer number (14164861399275).

Almost surely, 2^{47216204664245} is an apocalyptic number.

It is an amenable number.

47216204664245 is a deficient number, since it is larger than the sum of its proper divisors (9443240932855).

47216204664245 is an equidigital number, since it uses as much as digits as its factorization.

47216204664245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443240932854.

The product of its (nonzero) digits is 15482880, while the sum is 53.

The spelling of 47216204664245 in words is "forty-seven trillion, two hundred sixteen billion, two hundred four million, six hundred sixty-four thousand, two hundred forty-five".