5547327649 has 2 divisors, whose sum is σ = 5547327650. Its totient is φ = 5547327648.

The previous prime is 5547327631. The next prime is 5547327661. The reversal of 5547327649 is 9467237455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3472980624 + 2074347025 = 58932^2 + 45545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5547327649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5547327596 and 5547327605.

It is not a weakly prime, because it can be changed into another prime (5547327679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773663824 + 2773663825.

It is an arithmetic number, because the mean of its divisors is an integer number (2773663825).

Almost surely, 2^5547327649 is an apocalyptic number.

It is an amenable number.

5547327649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547327649 is an equidigital number, since it uses as much as digits as its factorization.

5547327649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 52.

The square root of 5547327649 is about 74480.3843236593. The cubic root of 5547327649 is about 1770.2228377661. Note that the first 3 decimals are identical.

The spelling of 5547327649 in words is "five billion, five hundred forty-seven million, three hundred twenty-seven thousand, six hundred forty-nine".