656060120453 has 2 divisors, whose sum is σ = 656060120454. Its totient is φ = 656060120452.

The previous prime is 656060120389. The next prime is 656060120461. The reversal of 656060120453 is 354021060656.

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., 655528264609 + 531855844 = 809647^2 + 23062^2 .

It is a cyclic number.

It is not a de Polignac number, because 656060120453 - 2⁶ = 656060120389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656060140453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328030060226 + 328030060227.

It is an arithmetic number, because the mean of its divisors is an integer number (328030060227).

Almost surely, 2^656060120453 is an apocalyptic number.

It is an amenable number.

656060120453 is a deficient number, since it is larger than the sum of its proper divisors (1).

656060120453 is an equidigital number, since it uses as much as digits as its factorization.

656060120453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 656060120453 in words is "six hundred fifty-six billion, sixty million, one hundred twenty thousand, four hundred fifty-three".