1653140653 has 2 divisors, whose sum is σ = 1653140654. Its totient is φ = 1653140652.

The previous prime is 1653140609. The next prime is 1653140659. The reversal of 1653140653 is 3560413561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354092804 + 299047849 = 36798^2 + 17293^2 .

It is an emirp because it is prime and its reverse (3560413561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653140653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653140659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826570326 + 826570327.

It is an arithmetic number, because the mean of its divisors is an integer number (826570327).

Almost surely, 2^1653140653 is an apocalyptic number.

It is an amenable number.

1653140653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653140653 is an equidigital number, since it uses as much as digits as its factorization.

1653140653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1653140653 is about 40658.8324106829. The cubic root of 1653140653 is about 1182.4150130745.

The spelling of 1653140653 in words is "one billion, six hundred fifty-three million, one hundred forty thousand, six hundred fifty-three".