5620548649 has 2 divisors, whose sum is σ = 5620548650. Its totient is φ = 5620548648.

The previous prime is 5620548643. The next prime is 5620548691. The reversal of 5620548649 is 9468450265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5257265049 + 363283600 = 72507^2 + 19060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5620548649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5620548643) 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, 2810274324 + 2810274325.

It is an arithmetic number, because the mean of its divisors is an integer number (2810274325).

Almost surely, 2^5620548649 is an apocalyptic number.

It is an amenable number.

5620548649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5620548649 is an equidigital number, since it uses as much as digits as its factorization.

5620548649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The square root of 5620548649 is about 74970.3184533719. The cubic root of 5620548649 is about 1777.9774030928.

The spelling of 5620548649 in words is "five billion, six hundred twenty million, five hundred forty-eight thousand, six hundred forty-nine".