1653655559 has 2 divisors, whose sum is σ = 1653655560. Its totient is φ = 1653655558.

The previous prime is 1653655529. The next prime is 1653655607. The reversal of 1653655559 is 9555563561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653655559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653655529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826827779 + 826827780.

It is an arithmetic number, because the mean of its divisors is an integer number (826827780).

Almost surely, 2^1653655559 is an apocalyptic number.

1653655559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653655559 is an equidigital number, since it uses as much as digits as its factorization.

1653655559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3037500, while the sum is 50.

The square root of 1653655559 is about 40665.1639490117. The cubic root of 1653655559 is about 1182.5377631429.

The spelling of 1653655559 in words is "one billion, six hundred fifty-three million, six hundred fifty-five thousand, five hundred fifty-nine".