651545545159 has 2 divisors, whose sum is σ = 651545545160. Its totient is φ = 651545545158.

The previous prime is 651545545153. The next prime is 651545545229. The reversal of 651545545159 is 951545545156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651545545159 - 2²¹ = 651543448007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651545545153) 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, 325772772579 + 325772772580.

It is an arithmetic number, because the mean of its divisors is an integer number (325772772580).

Almost surely, 2^651545545159 is an apocalyptic number.

651545545159 is a deficient number, since it is larger than the sum of its proper divisors (1).

651545545159 is an equidigital number, since it uses as much as digits as its factorization.

651545545159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500000, while the sum is 55.

The spelling of 651545545159 in words is "six hundred fifty-one billion, five hundred forty-five million, five hundred forty-five thousand, one hundred fifty-nine".