47216616602081 has 4 divisors (see below), whose sum is σ = 47217087020292. Its totient is φ = 47216146183872.

The previous prime is 47216616602009. The next prime is 47216616602153. The reversal of 47216616602081 is 18020661661274.

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

It is an interprime number because it is at equal distance from previous prime (47216616602009) and next prime (47216616602153).

It can be written as a sum of positive squares in 2 ways, for example, as 29132358553600 + 18084258048481 = 5397440^2 + 4252559^2 .

It is a cyclic number.

It is not a de Polignac number, because 47216616602081 - 2³⁰ = 47215542860257 is a prime.

It is a super-2 number, since 2×47216616602081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47216610602081) 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, 235058516 + ... + 235259301.

It is an arithmetic number, because the mean of its divisors is an integer number (11804271755073).

Almost surely, 2^{47216616602081} is an apocalyptic number.

It is an amenable number.

47216616602081 is a deficient number, since it is larger than the sum of its proper divisors (470418211).

47216616602081 is a wasteful number, since it uses less digits than its factorization.

47216616602081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470418210.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 47216616602081 in words is "forty-seven trillion, two hundred sixteen billion, six hundred sixteen million, six hundred two thousand, eighty-one".