654213520067 has 2 divisors, whose sum is σ = 654213520068. Its totient is φ = 654213520066.

The previous prime is 654213520031. The next prime is 654213520159. The reversal of 654213520067 is 760025312456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654213520067 is a prime.

It is not a weakly prime, because it can be changed into another prime (654213520007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327106760033 + 327106760034.

It is an arithmetic number, because the mean of its divisors is an integer number (327106760034).

Almost surely, 2^654213520067 is an apocalyptic number.

654213520067 is a deficient number, since it is larger than the sum of its proper divisors (1).

654213520067 is an equidigital number, since it uses as much as digits as its factorization.

654213520067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 654213520067 in words is "six hundred fifty-four billion, two hundred thirteen million, five hundred twenty thousand, sixty-seven".