5646132649 has 2 divisors, whose sum is σ = 5646132650. Its totient is φ = 5646132648.

The previous prime is 5646132581. The next prime is 5646132691. The reversal of 5646132649 is 9462316465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5306394025 + 339738624 = 72845^2 + 18432^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646132649 - 2¹⁷ = 5646001577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5646132599 and 5646132608.

It is not a weakly prime, because it can be changed into another prime (5646132049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823066324 + 2823066325.

It is an arithmetic number, because the mean of its divisors is an integer number (2823066325).

Almost surely, 2^5646132649 is an apocalyptic number.

It is an amenable number.

5646132649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646132649 is an equidigital number, since it uses as much as digits as its factorization.

5646132649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The square root of 5646132649 is about 75140.7522520237. The cubic root of 5646132649 is about 1780.6710268294.

The spelling of 5646132649 in words is "five billion, six hundred forty-six million, one hundred thirty-two thousand, six hundred forty-nine".