654216565232941 has 2 divisors, whose sum is σ = 654216565232942. Its totient is φ = 654216565232940.

The previous prime is 654216565232911. The next prime is 654216565232977. The reversal of 654216565232941 is 149232565612456.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468491046779716 + 185725518453225 = 21644654^2 + 13628115^2 .

It is a cyclic number.

It is not a de Polignac number, because 654216565232941 - 2⁹ = 654216565232429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654216565232941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654216565232911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327108282616470 + 327108282616471.

It is an arithmetic number, because the mean of its divisors is an integer number (327108282616471).

Almost surely, 2^{654216565232941} is an apocalyptic number.

It is an amenable number.

654216565232941 is a deficient number, since it is larger than the sum of its proper divisors (1).

654216565232941 is an equidigital number, since it uses as much as digits as its factorization.

654216565232941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312000, while the sum is 61.

The spelling of 654216565232941 in words is "six hundred fifty-four trillion, two hundred sixteen billion, five hundred sixty-five million, two hundred thirty-two thousand, nine hundred forty-one".