5646556471 has 2 divisors, whose sum is σ = 5646556472. Its totient is φ = 5646556470.

The previous prime is 5646556457. The next prime is 5646556537. The reversal of 5646556471 is 1746556465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5646556471 - 2¹⁵ = 5646523703 is a prime.

It is a super-3 number, since 3×5646556471³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646556451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823278235 + 2823278236.

It is an arithmetic number, because the mean of its divisors is an integer number (2823278236).

Almost surely, 2^5646556471 is an apocalyptic number.

5646556471 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646556471 is an equidigital number, since it uses as much as digits as its factorization.

5646556471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 49.

The square root of 5646556471 is about 75143.5723864656. The cubic root of 5646556471 is about 1780.7155805514.

The spelling of 5646556471 in words is "five billion, six hundred forty-six million, five hundred fifty-six thousand, four hundred seventy-one".