654363397013 has 2 divisors, whose sum is σ = 654363397014. Its totient is φ = 654363397012.

The previous prime is 654363396979. The next prime is 654363397021. The reversal of 654363397013 is 310793363456.

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., 499195945444 + 155167451569 = 706538^2 + 393913^2 .

It is a cyclic number.

It is not a de Polignac number, because 654363397013 - 2¹⁶ = 654363331477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654363397073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327181698506 + 327181698507.

It is an arithmetic number, because the mean of its divisors is an integer number (327181698507).

Almost surely, 2^654363397013 is an apocalyptic number.

It is an amenable number.

654363397013 is a deficient number, since it is larger than the sum of its proper divisors (1).

654363397013 is an equidigital number, since it uses as much as digits as its factorization.

654363397013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 50.

The spelling of 654363397013 in words is "six hundred fifty-four billion, three hundred sixty-three million, three hundred ninety-seven thousand, thirteen".