6662240471 has 2 divisors, whose sum is σ = 6662240472. Its totient is φ = 6662240470.

The previous prime is 6662240447. The next prime is 6662240539. The reversal of 6662240471 is 1740422666.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6662240471 is a prime.

It is a super-3 number, since 3×6662240471³ (a number of 30 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662240071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331120235 + 3331120236.

It is an arithmetic number, because the mean of its divisors is an integer number (3331120236).

Almost surely, 2^6662240471 is an apocalyptic number.

6662240471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662240471 is an equidigital number, since it uses as much as digits as its factorization.

6662240471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 6662240471 is about 81622.5487901474. The cubic root of 6662240471 is about 1881.6554445886.

The spelling of 6662240471 in words is "six billion, six hundred sixty-two million, two hundred forty thousand, four hundred seventy-one".